Biology

All new and solved questions in Biology category

1 answer

What is a true statement about two rocks beloning to the same age one containing fossils of an amphibian and the other containg fossils of mosses

what is a true statement about two rocks beloning to the same age one containing fossils of an amphibian and the other containg fossils of mosses...
1 answer

He​ ________ the coefficient of​ variation, the​ ________ the risk. a. more​ stable; higher b. ​higher; lower c. ​lower; lower d. ​lower; higher

He​ ________ the coefficient of​ variation, the​ ________ the risk. a. more​ stable; higher b. ​higher; lower c. ​lower; lower d. ​lower; higher...
2 answers

Nitrogen fixation is one-way nitrogen moves through ecosystems. Why is nitrogen fixation necessary for ecosystems? A. Nitrogen fixation converts nitrogen gas into carbohydrates. B. Nitrogen fixation returns nitrogen gas to the atmosphere. C. Nitrogen fixation allows nitrogen gas to be dissolved in water. D. Nitrogen fixation converts nitrogen gas to ammonia.

Nitrogen fixation is one-way nitrogen moves through ecosystems. Why is nitrogen fixation necessary for ecosystems? A. Nitrogen fixation converts nitrogen gas into carbohydrates. B. Nitrogen fixation returns nitrogen gas to the atmosphere. C. Nitrogen fixation allows nitrogen gas to be dissolved in w...
1 answer

When constructing the dna molecule what did you notice about the the orientation if the two strnads

when constructing the dna molecule what did you notice about the the orientation if the two strnads...
2 answers

Answer the question please it’s 50 or 25 points

Answer the question please it’s 50 or 25 points...
1 answer

Answer the following questions from page 325. Be sure to include the questions, and number them appropriately. Remember to answer the question completely.

Answer the following questions from page 325. Be sure to include the questions, and number them appropriately. Remember to answer the question completely....
2 answers

Why are polysaccharides more difficult to digest than monosaccharides? A.Polysaccharides are made of lipids. B.Polysaccharides contain phosphorus. C.Polysaccharides are much larger molecules. D.Polysaccharides contain peptide bonds.

Why are polysaccharides more difficult to digest than monosaccharides? A.Polysaccharides are made of lipids. B.Polysaccharides contain phosphorus. C.Polysaccharides are much larger molecules. D.Polysaccharides contain peptide bonds....
2 answers

Which chemical reaction would result in the greatest release of energy for an organism? A) ADP + P --> ATP B) ATP + Oxygen --> ADP + P C) Pyruvic acid + NADH --> lactic acid + NAD+ D) Carbon Dioxide + Water --> Glucose + Oxygen

Which chemical reaction would result in the greatest release of energy for an organism? A) ADP + P --> ATP B) ATP + Oxygen --> ADP + P C) Pyruvic acid + NADH --> lactic acid + NAD+ D) Carbon Dioxide + Water --> Glucose + Oxygen...
2 answers

HELP!!! I NEED THIS ASAP Zeke makes a Venn diagram to compare Fish A, which lives at the bottom of the open ocean, and Fish B, which lives in a fast-flowing river. Which label belongs in the region marked X? Adapted to its environment Glows to attract prey Long, thin body to aid in swimming in currents Wide, flat body to handle immense pressure

HELP!!! I NEED THIS ASAP Zeke makes a Venn diagram to compare Fish A, which lives at the bottom of the open ocean, and Fish B, which lives in a fast-flowing river. Which label belongs in the region marked X? Adapted to its environment Glows to attract prey Long, thin body to aid in swimming in curre...
1 answer

Which of the following is not play a role in determining whether individuals get cancer from a carcinogen?their sex chromosomes or genderhow long they are exposed to a carcinogenhow much of the carcinogen they are exposed totheir genetic makeup

which of the following is not play a role in determining whether individuals get cancer from a carcinogen?their sex chromosomes or genderhow long they are exposed to a carcinogenhow much of the carcinogen they are exposed totheir genetic makeup...
2 answers

Mushrooms and bacteria are considered

Mushrooms and bacteria are considered...
2 answers

Describe the patterns of global water use for each continent?

Describe the patterns of global water use for each continent?...
1 answer

The diagram shows structures found in a seed plant. What is the function of the structure labeled X? provides food for embryo fertilizes egg carries food produced by leaves moves water from roots to rest of plant

The diagram shows structures found in a seed plant. What is the function of the structure labeled X? provides food for embryo fertilizes egg carries food produced by leaves moves water from roots to rest of plant...
1 answer

Helpp. meee which of these is not an internal factor which effects the global climate? A. warm and cold ocean currents B. increase in atmospheric carbon dioxide C. release of dust during volcanic eruption D. Decrease in the suns energy

helpp. meee which of these is not an internal factor which effects the global climate? A. warm and cold ocean currents B. increase in atmospheric carbon dioxide C. release of dust during volcanic eruption D. Decrease in the suns energy...
1 answer

1. In the atom, which particles are in constant motion around the nucleus? A. protons B. protons and neutrons C. neutrons D. electrons

1. In the atom, which particles are in constant motion around the nucleus? A. protons B. protons and neutrons C. neutrons D. electrons...
2 answers

What do epidermis and the dermis have in common? Could you please help me with me questions?

What do epidermis and the dermis have in common? Could you please help me with me questions?...
1 answer

Name two things found in a plant cell that are not found in an animal cell.

Name two things found in a plant cell that are not found in an animal cell....
2 answers

Define sensory nerves​

define sensory nerves​...

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