Answer:
oxygen is required
Answer:
As oxygen is not required, fermentative organisms are anaerobic. Many organisms can use fermentation under anaerobic conditions and aerobic respiration when oxygen is present
Explanation:
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Which of these describes evolution?
A. An animal gets stronger
B. The frequency of alleles in a population changes
C. A blue moth is born in a population of green moths
D. A herd of elk move into a new environment
Answer:
C. A blue moth is born in a population of green moths
Explanation:
I am sorry if it is wrong
Wind erosion and deposition may form?
a) valleys and alluvial fans
b)beaches and spits
c) sand dunes and loess deposits
d) valley glaciers
Answer: C. sand dunes and loess deposits
Explanation:
Wind erosion is when wind forcefully moves sand particles from one place to another. This can end up forming sand dunes which comes in different shapes.
Also, loess are gotten from silt and clay that are blower by wind and deposited on a large area lawyer of land. Therefore, wind erosion and deposition may form dunes and loess deposits.
The graph illustrates the relationship between photosynthesis and cellular respiration in a plant over the course of 24 hours
based on the sample means, which of the following conclusions about the cells in the growing root tips of zea mays seedlings is best supported by the results of the experiment? responses the cells of the root tips grow to larger sizes when the seedlings are planted in compact sand than when the seedlings are planted in loose sand. the cells of the root tips grow to larger sizes when the seedlings are planted in compact sand than when the seedlings are planted in loose sand. the average rate of mitotic cell division is greater for the root tips growing in loose sand than for the root tips growing in compact sand. the average rate of mitotic cell division is greater for the root tips growing in loose sand than for the root tips growing in compact sand. the average cell cycle time is greater for the root tips growing in compact sand than for the root tips growing in loose sand. the average cell cycle time is greater for the root tips growing in compact sand than for the root tips growing in loose sand. more cells are produced per unit of time in the root tips growing in compact sand than in the root tips growing in loose sand.
cells of the root tips grow to larger sizes when the seedlings are planted in compact sand compared to when they are planted in loose sand.
The conclusion is drawn by comparing the average sizes of the cells in the root tips grown in compact sand versus loose sand.
The statement implies that the physical characteristics of the sand, specifically its compactness or looseness, have an impact on the growth and size of the root tip cells.
The experiment likely involved measuring the cell sizes in both conditions and calculating the average sizes.
If the sample means show a statistically significant difference, it suggests that the root tip cells tend to grow larger when the seedlings are planted in compact sand. This conclusion highlights the influence of the sand type on cell growth in the root tips of Zea mays seedlings.
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middle which diagram shows the changes in appearance of a plant cell when a remains in a concentrated sugar solution for thirty minutes? what is th answer
The osmosis diagram is the one that most accurately represents how a plant cell might change in appearance after spending thirty minutes in a concentrated sugar solution.
Osmosis is the process by which water molecules move from an area with a lower concentration of solutes to an area with a higher concentration of solutes across a semi-permeable membrane.
If a concentrated sugar solution were present, the solute concentration outside the plant cell would be higher than that inside.
Water from inside the plant cell would naturally try to exit the cell as it is submerged in the concentrated sugar solution in an effort to balance the solute concentration on either side of the cell membrane.
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what trait is found in early embyros of both birds and humans
Answer: tail I'm not sure
Answer:
The answer is tail
Explanation:
I hope it helps you.
What kind of pattern is noticed with the structure of DNA?
Answer:
Double helix
Explanation:
that's the biology in humans
you are trying to identify an organism. this organism contains no muscle tissue. it is not diploblastic. it must be a
You are trying to identify an organism. It is an animal, but it does not have nerve or muscle tissue. It is neither diploblastic nor triploblastic. It is probably a sponge.
Ectoderm and endoderm are the two principal germ layers in a blastula that has diploblasty. Cnidaria and ctenophora are examples of diploblastic species, which arise from such blastulae and were once included in the phylum Coelenterata but were later split off due to greater understanding of their differences.
They can grow genuine tissue because of the endoderm. The gut tissue and related glands are included in this. On the other hand, the ectoderm develops into the epidermis, the nervous system, and, if any nephridia are present.
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how do chloroplast support its function?
When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts. Where is the missing mass?.
When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts. the difference can be found in the form of energy.
The process by which two or more atomic nuclei "fuse" to form a single heavier nucleus is known as nuclear fusion.
In the process of nuclear fusion:
The resulting single nucleus has a mass that is lower than that of the two original nuclei, indicating that matter is not conserved. The fusing nuclei's mass is converted into energy, which is released. The mass difference between when nuclei fuse and when an atom is formed is the source of this energy. As a result, when new atoms were created through nuclear fusion, their mass did not equal that of their original components; the difference is represented by energy.
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there are ____ different bases of DNA
Answer:
4
Explanation:
Because there are four naturally occurring nitrogenous bases, there are four different types of DNA nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
if a lion consumes a wildebeest, which ate prairie grass that had 200,000 mj of energy, what is the approximate amount of energy the lion could receive? *
The lion would receive approximately 20,000 MJ of energy from the wildebeest, due to the 10% energy transfer efficiency.
When a lion consumes a wildebeest that has consumed prairie grass with 200,000 MJ of energy, the lion would receive only a fraction of that energy. Energy is lost as it moves up the food chain due to metabolic processes and inefficiencies. The exact amount of energy transferred varies, but typically only about 10% is passed on from one trophic level to the next. This means that the lion would receive approximately 20,000 MJ of energy from the wildebeest. The rest is lost as heat, used for the lion's own metabolism, or expended during digestion and other bodily processes.
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Offspring resemble their parents
because of
Answer: Each parent gives half their genetic material to their children.
Explanation:
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1. Explain acid deposition. Your explanation should include the following:
• The sources of acid deposition
• The chemical equations involved in acid deposition formation
• An explanation of the types of acid deposition
• A discussion of the effects of acid deposition
• A drawing that shows the sources, formation, and precipitation of acid deposition
Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.
Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.
Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.
The chemical equations involved in acid deposition formation are:
a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)
b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)
Acid deposition can be classified into two types: wet deposition and dry deposition.
a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.
b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.
The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.
A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.
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How can increased genetic variation help some offspring to survive?
The Tasty Beef Processing Plants are located in Alabama. There are 10 locations and both the slaughterhouse and processing plants are located on-site. Production for each plant is 12 million pounds per year. Each plant has 50 meat grinders. The product is provided to 3,000 customers at 10,000 locations. One of the key risks is E. Coli contamination. What is the objective of this audit? Group of answer choices
To maximize revenue and operating efficiencies.
To ensure employee safety.
To ensure controls are in place and working effectively to prevent beef tainted with E. Coli.
To optimize the production process.
The objective of this audit is to ensure controls are in place and working effectively to prevent beef tainted with E. Coli. Therefore option 3 is correct.
This means the main focus of the audit is on food safety and ensuring that the processing plants are implementing appropriate measures to prevent E. Coli contamination in the beef products they produce.
The audit will assess the effectiveness of controls, such as sanitation practices, employee training, quality assurance procedures, and monitoring systems, to ensure that the risk of E. Coli contamination is minimized and that the beef products meet safety standards.
While other objectives like maximizing revenue, employee safety, and optimizing the production process are important, the primary objective of this audit specifically relates to E. Coli contamination prevention and food safety.
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Select the correct answer from each drop-down menu.
A
is an agent that causes disease. All
are pathogens.
A pathogens(C) is an agent that causes disease. All viruses(C) are pathogens.
What are pathogens?For Part 1, the correct answer is C. Pathogen. A pathogen is an agent that causes disease. All pathogens are infectious agents, but not all infectious agents are pathogens. For example, the common cold is caused by a virus, but the virus is not considered a pathogen because it does not usually cause serious illness.
For Part 2, the correct answer is C. Viruses. Viruses are the smallest and simplest pathogens. They are not cells, and they cannot reproduce on their own. They must infect a host cell in order to replicate.
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Complete question:
Select the correct answer. A __ is an agent that causes disease. All ___ are pathogens.
Part 1
A. Bacteria
B. Germ
C. Pathogen
Part 2
A. Bacteria
B. Fungi
C. Viruses
EVOLUTION CONNECTION. A typical prokaryotic cell has about 3,000 genes in its DNA, while a human cell has almost 21,000 genes. About 1,000 of these genes are present in both types of cells. Based on your understanding of evolution, explain how such different organisms could have this same subset of 1,000 genes. What sorts of functions might these shared genes have?
Prokaryotic and human cells share 1000 genes due to the existence of a common ancestor. Shared genes are responsible for essential functions, such as DNA replication and protein synthesis.
Prokaryotic and human cells share some genes because they are descendants of a common ancestor, and the shared genes are responsible for essential functions, such as DNA replication and protein synthesis. Although the two organisms are vastly different in their complexity, they share a core genetic code that is similar. Gene duplication and horizontal gene transfer are two mechanisms that could lead to gene sharing between organisms.
When a gene is duplicated, one copy can continue to perform its original function while the other copy may evolve to perform a new function. When a horizontal gene transfer occurs, a gene is transferred from one organism to another. However, horizontal gene transfer is uncommon between prokaryotic and eukaryotic cells, as the mechanisms of gene expression and regulation are significantly different.
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A good way to define wilderness is to refer to it as a landscape not impacted by humans a landscape so diverse as to be nearly impenetrable an ecosystem in need of development an ecosystem in a state of dysfunction
A good way to define wilderness is as a landscape not impacted by humans. This means that it is an area where human activities have not significantly altered or influenced the natural environment. Wilderness areas are typically characterized by their pristine and untouched condition, free from human development or modification.
Another way to define wilderness is as a landscape so diverse as to be nearly impenetrable. This refers to ecosystems that are rich in biodiversity and exhibit a high degree of complexity. These landscapes can be challenging to navigate or explore due to their dense vegetation, rugged terrain, or lack of human infrastructure.
It is important to note that wilderness is not an ecosystem in need of development. Instead, wilderness areas are often protected and preserved to maintain their natural state and ecological integrity. Development activities, such as building structures or extracting resources, are generally restricted or prohibited in these areas.
Similarly, wilderness is not an ecosystem in a state of dysfunction. While natural ecosystems can experience disturbances and fluctuations, wilderness areas are typically characterized by their resilience and ability to self-regulate. These ecosystems are often considered to be functioning in a natural and balanced way.
In summary, wilderness can be defined as a landscape not impacted by humans or as a diverse and complex ecosystem. It is important to recognize that wilderness areas are typically protected and preserved to maintain their natural state and ecological integrity. They are not in need of development or in a state of dysfunction. Wilderness areas play a crucial role in biodiversity conservation, scientific research, and providing opportunities for recreational activities that allow people to connect with nature.
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What are 2 differences and similarities between these two processes?
Answer:
The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart.Photosynthesis produces the oxygen to replenish oxygen that is used up by living organisms during respiration. Carbon dioxide produced during respiration is one of the reactants plants need to perform photosynthesis. Photosynthesis and cellular respiration are both part of a mutually beneficial relationship.Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide.
Explanation:
The principal difference, however, between photosynthesis and respiration is that photosynthesis utilizes carbon dioxide and water in the presence of light to produce glucose and oxygen, whereas respiration uses oxygen and glucose to power the activities of the cell.Both processes need carbon dioxide to produce the carbohydrates. Both processes also need an energy source to fuel the reactions. And, most important, both photosynthesis and chemosynthesis result in food for the organisms, which in turn becomes food for other organisms, supporting the circle of life.Photosynthesis and respiration are reactions that complement each other in the environment. They are in reality the same reactions but occurring in reverse. While in photosynthesis carbon dioxide and water yield glucose and oxygen, through the respiration process glucose and oxygen yield carbon dioxide and water.
mr. huff and puff exhales normally; then, using forced expiration, he exhales as much air as possible. the volume of air still remaining in his lungs is called
The volume of air still remaining in Mr. Huff and Puff's lungs after exhaling as much air as possible using forced expiration is called the residual volume.
The lungs never completely empty of air even when you exhale as much air as possible. The residual volume (RV) is the volume of air that remains in your lungs after maximal expiration. The residual volume is what helps maintain the alveoli open, allowing oxygen to flow in and carbon dioxide to flow out during the respiratory cycle, even though the lungs deflate and inflate with each breath taken.
The RV can't be measured by spirometry; instead, it must be determined by another technique. The residual volume is computed in the context of lung function testing as it may provide important diagnostic information and may be utilized to aid in the treatment of patients with obstructive lung illnesses. The RV, along with other lung volumes, is a useful tool for diagnosing and managing respiratory diseases and disorders such as chronic obstructive pulmonary disease (COPD). Residual volume (RV) is the volume of air that remains in your lungs after maximal expiration. The lungs never completely empty of air even when you exhale as much air as possible.
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How do the cells of a multicellular organism differ from those of a unicellular organism?
O They never replicate.
O They are specialized.
They are all the same.
O They perform all functions.
Answer:
B: They are specialized
Explanation:
Multicellular organisms contain specialized cells which can perform more functions than unicellular organisms.
what is a disadvantage of selective breeding cows to have larger udders to produce more milk
Answer:
The answer is D. The cow stood in udder amazement when she was unable to produce milk.
The reason is that puns usually use a play of words to make the statement sound funny or ironic. The word may have a double meaning, like in this example. For example, they replaced the word "utter" with "udder", which sound similar.
The continental crust, oceanic crust and very top of earth's mantle make up a hard surface that breaks into tectonic plates. This layer of the earth is referred to as the ____________(a)_ and it floats or moves on a melted layer of earth called the ________________(b)__.
The continental crust, oceanic crust, and the Earth's uppermost mantle form a solid surface that breaks up into tectonic plates. This layer of the earth is known as the lithosphere and floats or moves above the melted earth layer which is called the asthenosphere.
What is the earth's crust?The earth's crust is the outermost layer of the earth and has a thickness of 0-100 km. The earth's crust is predominantly composed of feldspar and other silicate minerals.
The Earth's mantle is the layer of silicate rock between the crust and outer core. Its mass of 4.01 × 1024 kg is 67% of the mass of Earth. The mantle is 2,900 kilometers (1,800 miles) thick and makes up about 84% of Earth's volume. The mantle is dominated by the solid phase but in geological time behaved as a viscous liquid.
The layer of the earth that forms a hard surface is known as the lithosphere, while that which melts is called the asthenosphere
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how many blood smears are required for a differential white blood cell count?
In order to count differential white blood cells, only one blood smear is required.
What is a differential white blood cell count? A differential white blood cell count, also known as a "diff," measures the number of each type of white blood cell in your blood. A diff assists in determining if there is an infection or inflammatory condition in your body, as well as providing insight into other medical concerns.
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9. Why is the cell cycle important?
Answer:
The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive. ... Plants require the cell cycle to grow and provide life for every other organism on earth.
pls give me brainless.
Answer:The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive. ... Plants require the cell cycle to grow and provide life for every other organism on earth.
Explanation:
What caused the flatiron rock formations to tilt up and how long did this take?
Answer: This is because of tension
explanation: two tectonic plates of earths crust met and it caused enough tension and one tilted upwards. This prossess can take up to 100 million years.
What evidence does not support the evolution of chloroplasts and mitochondria from prokaryotic cells? *
A. Fossilized remains of archaebacteria
B. Double membranes of the organelles
C. Similar methods of reproduction
D. Presence of circular DNA
Answer:
it is C.
Explanation:
C.
Answer:
C. Similar methods of reproduction
Explanation:
Which of the following properties of water accounts for all of the others?
A. Hydrogen bonding
B. High heat capacity
C. Cohesion
D. Adhesion
E. Density
Answer:
(C) cohesion.
Explanation:
cohesion . hydrogen bonds hold water molecules together
What vector is the African strain of the Trypanosomiasis?
The African strain of Trypanosomiasis, also known as African sleeping sickness, is transmitted by the tsetse fly (Glossina species) which is found only in sub-Saharan Africa. The tsetse fly is a blood-sucking insect that feeds on humans and animals, making it an effective vector for the disease.
When an infected tsetse fly bites a person or animal, the parasite Trypanosoma brucei is transmitted into their bloodstream, leading to the development of the disease. Symptoms of African Trypanosomiasis include fever, headaches, joint pains, and itching, which can progress to more severe symptoms such as confusion, seizures, and coma if left untreated. Control of tsetse flies is crucial in preventing the transmission of African Trypanosomiasis, with measures including the use of insecticides, traps, and sterile insect techniques.
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