1 1.3.1 Test (CST): Introduction to AP Environmental Science Question 2 of 25
Which of these is a type of organic matter found in plants?
A. Oxygen
B. Water
C. Carbon dioxide
D. Sugar

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one