Answer:
A species' population that is genetically diverse is more likely to adapt and recover from environmental changes. A genetically diverse population is more likely to possess variations of alleles that are suited for the environment and its changes. Those individuals are more likely to survive to produce offspring bearing that allele.
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Which molecule is most common in the human body?
A. H2O
. B. N₂
C. H₂
D. CO2
Answer:
A. H2O
Explanation:
The most common molecule in the human body is H2O. H2O makes up about 50-70% of the body's total weight.
Remember, the meaning for H2O is a transparent, colorless, and odorless liquid.
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what is the significance of developing leaves before flowers
Answer:
Since reproduction is so important, the adaptive strategy of pre-leafing flowering is to use those energy stores to produce flowers that provide the seeds. ... Early flowering ensures that the leaves will not block the sunlight from the flower buds. Once the flowers have done their jobs, they fall and leaves appear.
Explanation:
How is genetic variation passed to offspring?
Answer: through somatic cells or inherited through the germaine.
Explanation: My best guess
sexual responses in both men and women are somewhat arbitrarily divided into three categories.
Intimate response is series of emotional and physical changes when making physical relationship. Men and women both experience four phases of intimate responses are excitement, plateau, ejaculation and resolution.
What are the phases of intimate response?The four phases of intimate response are:
Excitement: it can last from few minutes to hours.Plateau: it extends to the brink of ejaculation.Ejaculation: it is the climax of intimate response cycle.Resolution: body slowly returns to the normal state.Thus, the four phases of intimate response are excitement, plateau, ejaculation and resolution.
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What methods are used in the biological approach?
The most often utilized research techniques in psychology are correlational, case, and experimental studies. Any field, including biological psychology, shares this.
What is the biological strategy's primary focus?The biological approach examines psychological problems by looking at the physical underpinnings of both animal and human behavior. It is one of the main views in psychology and includes research on the neurological system, immune system, and brain.
What is a case of a biological psychology approach?The fear reaction is an illustration of the biological approach to psychology. The fight, flight, or freeze response is the result of the fear response. What a person does in the presence of a stressor depends on their biological makeup.
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Which cloud is found ahead of a cold front, but behind the warm front?
Answer:
I believe it's cirrus clouds.
Explanation:
Bacteria are single-celled microorganisms that are present almost everywhere. In human bodies, some bacteria live in the stomach where they help to break down food. Which claim does this evidence BEST support?
A The evidence supports the claim that microorganisms need humans to survive. B The evidence supports the claim that all microorganisms are harmful.
C The evidence supports the claim that microorganisms do not affect the human body.
D The evidence supports the claim that some microorganisms are beneficial
Answer:
the evidence supports that the claim that some microorganisms are beneficial
The evidence supports the claim that some microorganisms are beneficial. So, the correct option is D.
What are Microorganisms?A microorganism, often known as a microbe, is a microscopic-sized living being that can be a single cell or a collection of cells. Throughout the beginning of time, there have been theories that undiscovered microbial life exists.
Microbes are extremely minute living entities that are all around us and are invisible to the unaided eye. These are aquatic, terrestrial, and avian organisms. Millions of these bacteria, which are also referred to as microorganisms, reside in the human body. While certain microorganisms make us ill, others are vital to our wellbeing.
Therefore, the correct option is D.
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Which material makes up more than half of the cells volume ? Ribosomes or cytoplasm
Cytoplasm is the material which makes up more than half of the cells volume.
What is Cytoplasm?The cytoplasm is all of the material which is present within a eukaryotic cell, it is enclosed by the cell membrane, except for the nucleus of the cell. The material which is present inside the nucleus and contained within the nuclear membrane is termed as the nucleoplasm.
The main components of the cytoplasm is the cytosol, which is a gel-like substance, the organelles, internal sub-structures of the cell, and various other cytoplasmic inclusions. The cytoplasm is made up of about 80% water and is usually colorless when viewed.
All the organelles are present in this cytoplasm. It is the living part of the cell.
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Can 2 objects made from exactly same substance but different shape or size have the same density? Make a graph
Yes, 2 objects made from exactly same substance but different shape or size have the same density.
How is it possible for items to have varying sizes but the same density?A substance's density is typically independent of its size, both large and small, and independent of its shape. Despite having distinct masses and volumes, a gold brick and a statue both have the same density. A substance's density is generally understood to be its mass per unit volume.
Therefore, object with the highest density will be the smaller of two things if they both have the same mass but differ in size. So one can say that two things have comparable densities if they have the same mass.
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in the modern world many countries with kings or queens have enolved into constitutional democracies, monarchs are mostly?
.
In the modern world, many countries with kings or queens have evolved into constitutional democracies, and the role of the monarch has evolved over time from that of a politically important figure to one that is more symbolic and ceremonial.
What is the significance of the monarchy?The monarchy is limited by a written constitution, the principle of the rule of law in the modern world, and representing the country at official events and ceremonies, which vary from country to country.
Hence, in the modern world, many countries with kings or queens have evolved into constitutional democracies, and the role of the monarch has evolved over time from that of a politically important figure to one that is more symbolic and ceremonial.
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Primary cilia and their effects on immune cell functions and metabolism: a model Ernesto Picon-Galindo
Primary cilia are small, antenna-like structures found on the surface of many cells in the human body. They play a crucial role in various cellular functions, including immune cell functions and metabolism. The primary cilia serve as sensory organelles, receiving signals from the surrounding environment and transmitting them to the cell's interior. In immune cells, such as T cells and macrophages, primary cilia help in detecting and responding to signals from the immune system. Research has shown that primary cilia can modulate the activation and differentiation of immune cells. For example, primary cilia on T cells are involved in regulating T cell receptor signaling and cytokine production, which are essential for proper immune response. In addition to immune cell functions, primary cilia also play a role in cellular metabolism. They are involved in sensing and regulating nutrient availability, glucose metabolism, and lipid metabolism. The model proposed by Ernesto Picon-Galindo highlights the importance of primary cilia in immune cell functions and metabolism. It suggests that defects in primary cilia can lead to dysregulation of immune responses and metabolic disorders. In conclusion, primary cilia have significant effects on immune cell functions and metabolism. They contribute to the proper functioning of the immune system and help maintain metabolic homeostasis. Understanding the role of primary cilia in these processes can provide insights into various diseases and potentially lead to the development of new therapeutic approaches.
About MetabolismMetabolism is all the biochemical reactions that aim to sustain life that occur in an organism. These processes allow organisms to grow, reproduce, maintain structures and respond to their environment. There are many body functions that are affected by metabolism, namely breathing, digesting food, circulating blood, and repairing and renewing cells. Not only that, metabolism also controls body temperature, triggers muscle contractions, eliminates waste through urine and feces, and maintains brain and nerve function. Based on its purpose, metabolism is divided into two forms, namely anabolism and catabolism.
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Which part of the neuron below is indicated by the arrow, and what is its function? The long section of a neuron that includes structures that wrap around the neuron are indicated by the arrow. The axon carries information through electrical impulses away from the cell body to the axon terminals. The axon contains the nucleus that controls all the activities of the cell. The dendrites regulate the substances that go in and out of the cell. The dendrites carry the electrical impulses from the signal receivers to the cell body.
Answer:
The answer is D. I am telling you this because i got it correct on the quiz, 90%. Not to brag.
Explanation:
Which part of the neuron below is indicated by the arrow, and what is its function?
The dendrites carry the electrical impulses from the signal receivers to the cell body.
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A neuron is the structural and functional unit of the nervous system.
What wraps around the neuron?Schwann cells form the myelin sheath around the neurons of the peripheral nervous system while oligodendrocytes in the central nervous system.
What is its function?It creates an insulation layer and helps in the quick transmission of impulses.
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a) why do you think that the concentration at which microtubules begin to form (the critical concentration) is different in the two experiments?
The difference in the critical concentration at which microtubules begin to form in the two experiments could be attributed to variations in experimental conditions, protein sample purity, stabilizing or destabilizing factors, or differences in the experimental setup.
The reason the concentration at which microtubules begin to form (the critical concentration) is different in the two experiments could be due to several factors. Some possible factors include:
1. Variations in experimental conditions: Differences in temperature, pH, or buffer composition could affect the critical concentration.
2. Purity of the protein sample: Different levels of purity in the tubulin protein samples used in the experiments might influence the critical concentration.
3. Presence of stabilizing or destabilizing factors: Various proteins or molecules can interact with microtubules and affect their stability. If the two experiments have different concentrations or types of these factors, it may cause differences in the critical concentration.
4. Differences in the experimental setup: Different methods of measurement or data analysis might result in discrepancies in the observed critical concentration.
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When a plant or animal is no longer found anywhere on Earth, it is described as
being
locally extinct
geographically extinct
biologically threatened
biologically extinct
Answer:
B. Geographically extinct
Explanation:
Lets take a moment to look at the words provided. Geographical means physical features of an area, or relating to geography. It can also relate to when we are talking about information on the Earth's surface. Extinct means that the organism is no longer alive, and that there are none left of its species. So, putting the two words together, geographically extinct means that the organism is no longer found on Earth.
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Panna
solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Many segments are blank wholesome are blank such as a segment for digestion and a segment for reproduction
Many Body segments are very wholesome are essential such as a segment for digestion and a segment for reproduction.
What is the bodily systems about?In the above case, it would be more accurate to say that many bodily systems are essential for our overall health and well-being, and they each play important roles in maintaining our bodily functions. For example, the digestive system is responsible for breaking down food and absorbing nutrients, while the reproductive system is responsible for producing and delivering offspring.
Therefore, It is important to note that while some bodily functions or segments may be considered more "wholesome" than others, each system is necessary and contributes to the overall functioning of the body. So, rather than categorizing them as wholesome or not, it's more useful to think of them as essential components of a complex and interconnected system.
P.S. Question seems incomplete and general definition is given.
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Freedman Flowers stock has a 50% chance of producing a 25% return, a 30% chance of producing a 10% return, and a 20% chance of producing a -28% return. What in the film's expected rate of re Ca.9.415 Ob. 9.9006 Cc. 9.65 Od. 10.15%
The expected rate of return of Freedman Flowers is 9.9%.
Expected rate of return is the sum of the multiplication of each possible return with its corresponding probability of occurrence. Freedman Flowers' stock has a 50% chance of producing a 25% return, a 30% chance of producing a 10% return, and a 20% chance of producing a -28% return. The expected rate of return of Freedman Flowers can be calculated as follows:
Expected rate of return = (Probability of return 1 × Return 1) + (Probability of return 2 × Return 2) + (Probability of return 3 × Return 3)
Therefore, the expected rate of return of Freedman Flowers is:
Expected rate of return = (0.5 × 25%) + (0.3 × 10%) + (0.2 × -28%)
Expected rate of return = 12.5% + 3% - 5.6%
Expected rate of return = 9.9%
Therefore, the expected rate of return of Freedman Flowers is 9.9%.Option B, 9.9006 is the closest to the calculated expected rate of return.
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What are one of the main uses of this device ?
Parent 1 has a phenotype red R and Parent 2 has a phenotype white W. If all the offspring have a pink phenotype, what is this an example of
This is an example of incomplete dominance, where neither allele is completely dominant over the other. In this case, the offspring have a phenotype that is a blend of both parents, resulting in the pink color.
The alleles for red and white are co-dominant, meaning that both are expressed equally in the offspring. The phenotype refers to the physical characteristics or traits that are expressed by an individual. In this case, the phenotype of the parents is red and white, respectively. The offspring's phenotype is pink, which is a result of the combination of the parental alleles.
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PLZZZZZ HELP QUICK!!!!!
A pea plant has purple flowers. It has a genotype Pp. Which of the following about the gene of flower color in the pea plant is true? (3 points)
a
The pea plant has only recessive alleles for the gene.
b
The pea plant has both dominant alleles for the gene.
c
The pea plant received the same allele from each parent.
d
The pea plant received different alleles from the parents.
Answer:b
Explanation:
i think that the answer is b.
During labor, certain hormones are released that cause the contraction of the uterus in order to push the baby out. When those hormones are sensed by the glands of the endocrine system, they secrete more of that hormone which keeps labor going until the baby is born.
Answer:
The endocrine system assists in maintaining and regulating different functions of the body by producing and discharging hormones. It comprises glands situated throughout the body, which produce chemicals known as hormones directly into the blood. The levels of hormones in the blood are monitored by a highly unique homeostatic mechanism known as feedback.
The two kinds of feedback are common, that is, negative and positive feedback, of this positive feedback, is the rare mechanism. It augments the changes done rather than opposing them. For example, the discharging of oxytocin from the posterior pituitary gland at the time of labor is an illustration of a positive feedback mechanism.
The stimulation of the muscle contractions, which pushes the baby via the birth canal is done by oxytocin. This discharging of oxytocin leads to an augmented or stronger contraction at the time of labor. This contraction is enhanced and intensify until the baby comes out of the birth canal. However, when the stimulus to the pressure receptor terminates, the generation of oxytocin ceases, which eventually results in the stopping of labor contractions.
Answer:
positive
Explanation:
e2020
In a deciduous forest of Maine, there are 300 Falcons living in a certain region at the beginning of the year. Scientists have determined that these Falcons demonstrate exponential growth and that their per capita growth rate is 0.067. What will the population of Falcons be in 5 years?
Answer:
419 Falcons
Explanation:
P= Poe^rt
P= population at time t = ?
Po = initial population = 300
r= growth rate = 0.067
t = time taken = 5 years
P = 300e^(0.067 * 5)
P = 419 Falcons
some proteins will become denatured when they are adsorbed to the surface of fat droplets (emulsions) or air bubbles (foams). what is the origin of this effect? select one answer.
The origin of the denaturation of proteins when adsorbed to the surface of fat droplets or air bubbles is due to the disruption of the protein's native structure and loss of its functional properties.
Proteins have a specific three-dimensional structure that determines their function. When proteins come into contact with fat droplets or air bubbles, they can become adsorbed to the surface. The interface between the protein and the surface is not conducive to maintaining the protein's native structure, leading to a disruption of the protein's structure and the loss of its functional properties. This denaturation of the protein can also result in aggregation or precipitation of the protein, which can further affect its functionality. Therefore, it is important to consider the interactions between proteins and surfaces in various applications, such as food processing, cosmetics, and pharmaceuticals.
When proteins are adsorbed to surfaces like fat droplets or air bubbles, they experience a change in their environment, leading to altered interactions between the amino acids in the protein. This change in interactions can cause the protein to lose its native conformation and become denatured. Protein denaturation at the surface of emulsions or foams can be caused by factors such as changes in pH, temperature, or hydrophobic interactions with the surface. This denaturation can alter the protein's function and affect the stability of the emulsion or foam.
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scarlet how do you feel if people already answer then just comment or chat at all like i feel down?
Answer:
Hey! What do you need help with?
Explanation:
Answer:
weird
Explanation:
what kind of a question is this?
All living things need to transport molecules from one place to another within the body in order to carry out necessary life functions. Water makes up approximately 60% of the human body. Which property of water best describes how it is able to transport these molecules from place to place and play such a vital role in life’s functions?
Answer:
D
Explanation:
The property of water that best describes how it is able to transport these molecules from place to place and play such a vital role in life’s functions is it is a good solvent and exhibits strong cohesive force.
What are the characteristics of water?The characteristics of water are as follows:
It is a polar molecule.It is an excellent solvent.It has a high heat of vaporization, and high heat capacity.It possesses strong cohesive and adhesive forces. Water is usually less dense in a solid as compared to a liquid state.Being a good solvent, it dissolves all possible molecules within them and makes it easy for the molecules to delocalize at the site of action. The cohesive property of water is useful in the movement of fluids and molecules in many forms of life.
Therefore, The property of water that best describes how it is able to transport these molecules from place to place and play such a vital role in life’s functions is it is a good solvent and exhibits a strong cohesive force.
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what solution, (hypertonic, hypotonic, isotonic) would make osmosis go faster?
Answer:
Explanation:
Osmosis is the movement of WATER molecules across a semipermeable membrane (such as the cell membrane) from where there is a high concentration of water to where there is a low concentration of water. The interior of a living cell consists of cytoplasm, which is a solution of mostly water with dissolved substances such as salt.
Now for the fun stuff! An Isotonic solution is a solution that has the same concentration of dissolved substances as is found inside the cell. If a cell is surrounded by isotonic solution, then there is no net movement of water across the membrane by osmosis, because the concentration of water is the same on both sides of the membrane.
A hypertonic solution is a solution with a higher concentration of dissolved substances than is found inside the cell. If a cell is surrounded by hypertonic solution, then water will move OUT of the cell by osmosis because there is a higher concentration of water inside the cell compared to outside (where there is lots of dissolved salt, etc.) A cell in hypertonic solution will shrink.
A hypotonic solution is a solution with a lower concentration of dissolved substances than is found inside the cell. If a cell is surrounded by hypotonic solution, then water will move INTO the cell by osmosis because there is a higher concentration of water outside the cell compared to inside. A cell in hypotonic solution will swell up and, if there is no cell wall, may burst. A silly but simple way to remember that water moves into a cell in hypotonic solution is that "hypo causes the cell to swell up like a hippo"
1) Different types of parenchyma ? And their location and Function ? please please mark me brainlist
Answer:
n the different regions of the plant body parenchyma cells are involved in different functions. On this basis, following types of parenchyma can be recognised.
Chlorenchyma is the parenchyma in which the cells contain large number of chloroplasts. Chlorenchyma takes part in photosynthesis. It occurs in the leaves and other green parts of the plant body.
Prosenchyma is a type of parenchyma where cells are elongated with tapering ends.
Arenchyma is the parenchyma in which the cells enclose large intercellular spaces that are filled with air. Aerenchyma helps in buoyancy and respiration. It is characteristically found in aquatic floating plants.
Vascular parenchyma is the parenchyma, which is found associated with the vascular tissues xylem and phloem. Accordingly, it is distinguished into xylem parenchyma and phloem parenchyma.
Medullary parenchyma is the parenchyma, which is found radially arranged in between the vascular bundles in the stem. It is meant for storage of reserve food.
Conjunctive parenchyma is the parenchyma, which occurs in the root system. It is specially meant for storage of water.
Armed parenchyma is the parenchyma, which is found in the epidermis of leaves in some gymnosperms. The cells have many spiny projections. It is defensive in function.
The term describes cells in both plant and animal tissues. In plants, parenchyma cells are a distinct type of tissue that can grow and divide and they have a thin cell wall. They make up flowers, leaves, and the inner parts of roots and stems that grow and divide. These cells secrete sap, exchange gases, and conduct photo synthesis. Plant parenchyma is classified into 4 shapes: polyhedral, stellate, elongated, and lobed.
In animals, parenchymal cells are the functional cells within the organism. This does not include those that have structural and/or protective functions like bone cells that make up a skeleton. In the brain, the parenchyma consists of neurons and glial cells. In addition, the cancer cells in tumors that are not involved with blood vessels are called parenchyma.
Answer:
a. Photosynthetic parenchyma: it is commonly found under the epidermis, where light is more intense. It is specialized in photosynthesis thanks to the many chloroplasts present in the cells.
b. Storage parenchyma: They are mostly found in solution, such as lipids, proteins, and others. Their function is to synthesize and store a number of substances.
c. Aquiferous parenchyma: It is present in plants that live in dry environments, known as xerophyte plants. Their function is to store some amount of water.
Explanation:
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20 points!!!!!! What allows enormous lengths of DNA to
be folded inside the nucleus and prevents
chromatin from becoming tangled
during mitosis?
A. chromosome
B. ribosome
C. centrioles
D. nucleosome
Answer:
C. centrioles
Explanation:
Centrioles are in the middle of chromosome which spindle fibres attach themselves to, thereby preventing entanglement.
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When pyrimidines undergo catabolism the result is: Pyrimidines are eventually broken down into ammonia and eliminated as nitrogenous waste or reused in purine synthesis Production and elimination of uric acid Production of malonyl-CoA which is then reused in fatty acid and polyketide Synthesis. Production of chorismic acid and integration into polyketide synthesis
The correct answer is 1. Pyrimidines are eventually broken down into ammonia and eliminated as nitrogenous waste or reused in purine synthesis.
Pyrimidines are broken down by a series of enzymes into ammonia, carbon dioxide, and β-alanine. The ammonia can be used to synthesize new pyrimidines, or it can be excreted as a waste product.
The other options are incorrect.
Uric acid is a product of purine catabolism, not pyrimidine catabolism.
Malonyl-CoA is not produced from pyrimidine catabolism. It is produced from acetyl-CoA in the fatty acid synthesis pathway.
Chorismic acid is not produced from pyrimidine catabolism. It is produced from the amino acid tryptophan in the biosynthesis of aromatic amino acids, including phenylalanine, tyrosine, and tryptophan.
Therefore, (1) Pyrimidines are eventually broken down into ammonia and eliminated as nitrogenous waste or reused in purine synthesis is the correct option.
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The first life on Earth wasA. prokaryotic.B. eukaryotic.C. prokaryotic and multicellular.D. eukaryotic and multicellular.E. eukaryotic and unicellular.
The first life on Earth was prokaryotic. There're different theories about the origin of these kinds of cells, among them we can find how it's hypothesized that these basic forms of life came up from other planets in meteorites, what it's known as the panspermia theory of life. On the other, there's said that the primitive conditions after the formation of our planet gave place to cyclic inorganic molecules that replicate themselves in a physicochemical equilibrium, as happens today with the nutrients cycle, for example, and in a primordial soup, these replicated molecules began to conform more complex structures like nucleic acids that lead to the formation of live organisms. Maybe they resulted after those basic molecules were progressively being part of other molecules, and involved other molecules in their basal structures, such as states the endosymbiotic theory. Or maybe the origin of those basic forms of life is the result of these and other theories in conjunction .