An animal with a thick layer of fat beneath their skin is most likely to be

What key chemiclas do the mouth and stomach contain?

Which molecules contain special instructions for building proteins

An example of mitosis at work is a leaf A turning yellow B growing. C taking in carbon dioxide. D hosting a caterpillar.

4. What do denitrifying bacteria do?

A prokaryotic cell is being looked at under the microscope and a scientist is watching molecules such as sodium enter and exit the cell. What part of the prokaryotic cell is being looked at under the microscope? A. DNA B. Cytoplastic membrane C.

Which function of the nephron includes the movement of fluid from the blood into bowman's capsule?

Which one of the following is true for a theory? A) Explanation supported by experiments B) Widely accepted as true C) Supported by repeatable results D) All of the choices

Which of the following is the largest contributor to the salt ions in the ocean? sodium chloride sulfates calcium

Your body moves food thourgh the digestive tract by using a. smooth muscle b. cardiac muscle c. extensor muscle d. Flexor muscle

A group of organs that work together to perform a major function is called a (n)