Which phrase best describes the main function of the stomach?

A.

contracts to move substances through the body

B.

provides structure and support

C.

removes metabolic waste products from the body

D.

breaks down food to acquire nutrients

Wind and moving water provide what kind of energy? a. chemical b. mechanical c. thermal d. none of the above

Which statement about the light microscope is correct?

A cell is in a solution with the simple sugar glucose. The concentration of glucose outside the cell is 30%, and the concentration of glucose inside the cell is 20%. Do the following for this cell: Identify the type of solution the cell is in.

Which feature do both roundworms and segmented worms have? They are usually microscopic. They lack a circulatory system. They have setae covering their bodies. They have a one-way digestive system. Check all that apply.

Why did a fish die after putting it into fresh water after being in salt water?

What is significant about areas in the dna that contain repeated segments?

What does paramecium belong to in the 6 kingdoms?

How does Angiogenesis lead to cancer cells?

Where does most gas exchange between the atmosphere and the pulmonary blood occurs in mammals? question 10 options: a. bronchioles?

Which of the following is a natural result of overpopulation? A. An immediate decrease in predators of the population B. The food runs out and I visuals in the population starve. C.