Please help me out


Match these examples
Tissue
Organ
Organ system

With these examples
Bone Marrow
Bones
Skeletal system
human body

Answer:

C

Explanation:

something needs to be polar to diffuse through the plasma membrane, which the first aa is on the outside

Answer:

Yes it can affect humans and organisms within the food web.

Explanation:

Every animal has a role in our ecosystem, if something were to change it we would be distrupting the way the food web chain works.

The digestive system is related to our diet in the sense that this is a specialized organ whose cells known as cylindrical cells, secrete a juice (gastric juice; which is possible because of the gene expression that allows these cells to develop the necessary proteins) that catabolizes the food to acquire nutrients such as glucose from carbohydrates and eventually performs cellular respiration.

Answer:

Explanation:The change in glucose concentration from point P to point R can be explained by the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

At point P, the concentration of glucose in the blood is 0.1 percent. This means that there is a higher concentration of glucose in the blood compared to the surrounding fluid. Due to the concentration gradient, glucose molecules will tend to move from the blood to the surrounding fluid through diffusion. As a result, glucose molecules will diffuse from point P towards point R.

As the glucose molecules move from point P towards point R, they will continue to spread out and mix with the surrounding fluid. At point Q, which is between P and R, the concentration of glucose in the fluid will increase due to the diffusion of glucose from the blood. However, the concentration at point Q will still be lower than the initial concentration at point P.

As the glucose molecules continue to diffuse towards point R, the concentration gradient decreases. Eventually, at point R, the concentration of glucose in the fluid is 0.0 percent. This means that all the glucose molecules have diffused from the blood and mixed with the fluid, resulting in an equal concentration of glucose in the blood and the fluid at point R.

In summary, the change in glucose concentration from point P to point R is due to the process of diffusion, where glucose molecules move from an area of higher concentration (point P) to an area of lower concentration (point R) until equilibrium is reached.

The correct among these are A bell-shaped polygon is characterized by equal numbers of young and middle-aged organisms. An urn-shaped age structure indicates a declining population.

A population pyramid, sometimes referred to as an age structure diagram or an age-sex pyramid, is a visual representation of the distribution of various age groups for each gender in a given geographic area. The pyramid often has a pyramidal shape. Pre-reproductive, reproductive, and post-reproductive are the three main pyramidal categories.

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Answer: its both "A bell-shaped polygon is characterized by equal numbers of young and middle-aged organisms." and "An urn-shaped age structure indicates a declining population."

Explanation:

Neanderthals demonstrated several features that indicate cold adaptation, including robust body structure, large nasal cavities, and specialized cranial features.

Neanderthals, an extinct species of humans, inhabited regions with cold climates during the Pleistocene era. Their physical features indicate adaptations to survive in such environments. Firstly, Neanderthals had a robust body structure with stocky builds and shorter limbs, which helped them retain body heat in colder conditions. This body shape reduced the surface area-to-volume ratio, minimizing heat loss.

Secondly, Neanderthals had large nasal cavities, which are believed to have been advantageous in cold environments. The increased nasal volume allowed for the warming and humidification of cold, dry air before it reached the lungs, reducing the risk of respiratory issues caused by inhaling cold air.

Lastly, Neanderthals possessed specialized cranial features, such as a prominent brow ridge and a low, elongated skull. These features may have helped protect their faces and brains from the harsh elements, including cold temperatures and physical stress.

Together, these adaptations suggest that Neanderthals were well-suited to survive in cold climates by minimizing heat loss, protecting their respiratory systems, and providing physical protection. These cold adaptations were likely beneficial for their survival in the challenging environments they inhabited during their existence.

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Answer:

The answer is Haemoglobin.

Explanation:

Haemoglobin is a red pigment in red blood cell is used to transport oxygen.

1) A 2) B

Explanation:

Enzymes are catalyst, meaning that they could be use in several reaction and they speed up any chemical reaction rate. So knowing this, when the animal have more enzymes it will react more quickly with the food, making it digest the food more quickly.

Hope the help, cheers

Answer:

The answer is d

Explanation:

Because

Answer:

D is correct

Explanation:

The initial outcome of decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would be a. carbon dioxide levels would increase

Photosynthetic organisms, such as green plants and algae, are those that transform light energy into organic molecules using photosynthesis. They are the primary producers in almost all terrestrial and aquatic ecosystems, generating the basic food source for nearly all animals, including humans. The organisms that undergo cellular respiration, on the other hand, are animals, fungi, and other bacteria that respire organic substances, such as sugars, to acquire energy for their metabolic processes. They are consumers that depend on producers to survive.

Carbon dioxide \((CO_{2} )\) is produced during the respiration process. The more the number of organisms using cellular respiration, the greater the amount of \((CO_{2} )\) they will release into the environment. Because there is no change in the number of organisms using cellular respiration, a decrease in photosynthetic organisms would result in an increase in \((CO_{2} )\). This is because there would be fewer producers using \((CO_{2} )\) and more consumers respiring \((CO_{2} )\), resulting in an overall increase in the atmospheric \((CO_{2} )\) concentration.

As a result, decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would cause carbon dioxide levels to rise. Therefore, option A is the correct answer.

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The fireflies get the energy that they need from the food that they consume

Fireflies, like all living organisms, obtain the energy they need from the food they consume. Fireflies are carnivorous insects that typically feed on other insects, such as snails, slugs, and worms, during their larval stage. As adults, fireflies may not eat at all or consume nectar and pollen from flowers.

The energy from the food that fireflies consume is stored in the form of a molecule called adenosine triphosphate (ATP), which is used to power various cellular processes, including those required for reproduction. Fireflies use this stored energy to produce light during their courtship displays, which is essential for finding and attracting mates.

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Answer:

The correct answers are A, C and D.

Explanation:

Dialysis is a treatment given to a patient to maintain his chemical levels in the body salt. Dialysis is a treatment which removes the Extra water, wastes, salts from the patient's body. This treatment is given to the patient in case of the failure of the Kidneys which are unable to clear the body from the wastes and toxins naturally. This is a time consuming process which uses a machine to purify blood from wastes and toxins. It is not the permanent solution for the renal failure, tough it is a good temporary solution.

Answer: A, C and D is the most best choice.

Explanation:

Answer:

The football will hit the ground 2.11 seconds later.

Explanation:y = y0 + v0yt + ½ayt

2

0 = v0sin  t + ½ayt

2

0 = t(v0sin + ½ayt)

t = 0 or v0sin + ½ayt = 0

½ayt = – v0sin

=

−20sin

=

−2(18.0)sin(35.0°)

−9.8

D They provide materials organisms need to build their bodies.

Explanation:

plant absorbs n2  animal eats it the plant the animal dies it releases the n2 as  n2 ammonia  which a plant absorbs beginning the cycle again.

animal inhales oxygen exhales co2 plant absorbs co2 releases o2. and then the cycle begins again.

Answer:

water molecules undergo the 'tug of war' via the cohesion-adhesion theory

Explanation:

In plants specifically, a transpiration stream is formed via osmosis from roots into xylem and travels by the apoplast pathway to the leaves, where the water then evaporates from stomata into the surrounding air along the diffusion gradient. the water loss from the mesophyll cells lowers their water potential therefore water moves in via osmosis by both apoplast and symplast pathway from adjacent cells. water bonded to water= cohesion, water bonded to carbohydrates of xylem walls= adhesion. water is drawn up in tug of war-esc fashion against gravity to replace water evaporated, resulting in cohesion-adhesion theory.

Answer:

They are dolfins probably

Explanation:dolfins are friendly and by variation of sounds they communicate

According to the question, they are dolphins, dolphins are friendly and by variation of sounds they communicate

The melon, an organ located in the dolphin's forehead, focuses the dolphin's click sounds and projects them into the water.

The clicks travel through the water, bounce off objects, and are registered in the dolphin's jaws and teeth.

Thus, they are dolphins.

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Answer:

C. Cell wall

Explanation:

The cell wall gives the cell its structure and protection. It also provides support to the cell by making sure nothing happens to it, and it is considered the outer layer of the cell and the layer is very thick and rigid.

Based on the information provided, we can conclude that the trait for a widows peak is most likely dominant.

When two individuals who are "pure" for different traits mate, their offspring inherit one copy of each trait from each parent. If one parent is "pure" for the trait of a widows peak and the other parent is "pure" for no widows peak, and all of their offspring have a widows peak, it suggests that the widows peak trait is dominant.

This means that individuals who inherit even one copy of the widows peak gene will express the trait. In this case, it appears that all of the offspring inherited at least one copy of the widows peak gene from their parent who was pure for the trait, resulting in the expression of the trait in all offspring.

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The mutation that would allow a phage to grow on an E. coli host containing the EcoR1 restriction enzyme would be the second option: 3' CCCGGG 5' -> 3' CCCTGG 5'.

This mutation changes a single nucleotide and would alter the amino acid sequence of the phage's enzyme, allowing it to cleave the EcoR1 restriction site. This would prevent the host cell from cleaving the phage's DNA and allow for successful infection and replication.

Mutations play a crucial role in evolution and adaptation, allowing organisms to develop new traits and survive in changing environments. Enzymes are essential for many biological processes, including DNA replication, transcription, and translation.

They catalyze chemical reactions and allow for the efficient processing of biological molecules.
Option 3: 3' CTTAAG 5' -> 5' GAACTC 3'

Which of the following are mutations* that would allow a phage to grow on a host of E. coli containing the EcoR1 restriction enzyme *if it occured in a phage that was prevented from growing on an E. coli host through because of EcoR1 cleavage Question 6 options: 3' CTTAAG 5' -> 5' GAATTC 3' 3' CCCGGG 5' -> 3' CCCTGG 5' 3' CTTAAG 5' -> 5' GAACTC 3' 3' CTTAAG 5' -> 3' CTAAAG 5'

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Answer:

The answer is rocks

Explanation:

Abiotic factors are nonliving, and biotic factors are living or once living. The tree twigs were once living, and the air wasn't used, so the rocks are the only answer left.

Hope this helps!

The data that best support the agreement is as follows: an increase in the amount of DNA and RNA produced by the cell after it has taken in nucleotides broken down from raw fruits and vegetables (option B).

Nucleic acids are chain-like biological macromolecules consisting of multiple repeat units of phosphate, sugar and purine and pyrimidine bases (nitrogenous bases).

Nucleic acids are the DNA and RNA found in the nucleus of living cells.

According to this question, cells first digest nucleic acids into nucleotides, then use those nucleotides to produce DNA and RNA inside the cell.

This suggests that the data that best supports the aforementioned argument is that an increase in the amount of DNA and RNA produced by the cell after it has taken in nucleotides broken down from raw fruits and vegetables.

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Answer:

plasmolysis make the plants floopy, when water passes out through osmosis the plant become limb

Ca++ is found at low concentration in the cytoplasm of muscle cells under resting condition and is released from the endoplasmic reticulum in response to a signal for the muscle to contract.

For a muscle to contract, an interaction between the actin and myosin fibers is necessary. The Ca++ ions cause the regulatory proteins to make the reaction of the actin and myosin interact. This is essential for the muscle to contract.

If the Ca++ ions are not there, then the regulatory proteins prevent the interaction of actin with myosin.

The Ca++ if found in muscle cells and it is usually resting there unless a contraction has to occur in the muscle.

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If tested throughout an experiment, one would come to find that the color of light does in fact affect the rate at which photosynthesis takes place, with red and blue light being the most effective at promoting photosynthesis.

Photosynthesis is a series of chemical reactions performed by plants in order to transform light energy, in most cases being light from the sun, into molecular energy in the form of ATP molecules. Experiments have shown that the color of light to which plants are exposed can have positive or negative effects on photosynthesis rates depending on the color used.

Plants appear green to us due to the fact that they absorb all frequencies of light except green light, which is reflected. This reflection of green light serves to explain why plants show the lowest rates of photosynthesis when exposed to green-colored light. At the same time, the highest rates are when exposed to high-frequency blue or red spectrum light.

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A nut falls from a tree limb. as the nut falls, its potential energy associated with the nut's original position is converted to kinetic energy, which is the energy associated with its motion.

Potential energy is the energy that an object possesses as a result of its position or configuration. In simpler terms, it is the energy that is stored in an object or system as a result of its position, arrangement, or state.

The kinetic energy is the energy that an object has due to its motion is known as kinetic energy. The faster an object moves, the more kinetic energy it has, and the slower it moves, the less kinetic energy it has. Therefore, as the nut falls, its potential energy decreases as it moves away from its original position, and its kinetic energy increases as it picks up speed, allowing it to hit the ground with a lot of energy.

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Answer:

a,b

Explanation:

In pea plants, the yellow seed color is dominant to green, and the letter "Y" is typically used to represent the yellow allele, while "y" represents the green allele. The correct answer is d) 50:50.

In genetics, heterozygous refers to an organism that has two different alleles (versions of a gene) for a particular trait. Each parent contributes one allele to the offspring, so a heterozygous individual has inherited one allele from each parent that differs in their DNA sequence.

If a heterozygous yellow-seeded plant (Yy) is crossed with a green-seeded plant (yy), the possible gametes for the yellow-seeded plant are Y and y, while the green-seeded plant only produces y.

The resulting genotypic ratio of the F1 generation would be 1:1 (Yy: yy), and the phenotypic ratio would be 1:1 (yellow: green). Therefore, the correct answer is D) 50:50.

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The phylogenetic tree above represents the evolutionary relationships among various species of bears.

The American black bear is the most basal species, indicating that it has no closely related species. The polar bear and the brown bear are the most recently evolved species, with the polar bear being the most recently evolved.

The sun bear's closest relative is the sloth bear, which is a species that is still alive today. Most of the species on the phylogenetic tree are extinct, including the cave bear, the short-faced bear, and the giant short-faced bear.

This indicates that these species either went extinct due to natural selection or human caused extinction. In conclusion, the phylogenetic tree above provides us with a comprehensive view of the evolutionary relationships among the various species of bears.

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