Muscles in animals are often found in pairs, because

a. muscles can only pull.

b. muscles need to be able to both push and pull.

c. muscles can only push.

d. muscles can only produce a force as they relax.

Predict if the sensory nerves in a persons foot are nonfunctional, would the person feel pain if the foot was severely burned

Using what you know about natural selection and adaptation what generalization can you make based on these things

Which statement is true about cellular respiration?

Which of these cells is likely to NOT continue to divide? skin cell nerve cell epithelial cells lining the cheeks all of these

Which type of organism evolved later than the others? mammals amphibians reptiles fish

Identify three differences between archaea and bacteria.

Extend your thinking: In living organisms, the cell cycle is closely regulated. What do you think will happen if cell division is not controlled?

The process by which organisms make more of their own kind is called

What is a characteristic of domain archaea?

Which of the following is NOT an adaptation of tundra plants? * A. Plants circulate sap through their stems and leaves for nourishment and to prevent freezing. B. Plants grow in bunches to crate insulation and protection from the wind. C.