1. How might the behaviors of bears change over time if they continue to be bred in captivity? 2. Why do you think humans’ muscles relax when they’re sleeping? What could happen if they did not relax during their sleep?

3. What is a PRO of asexual reproduction?

4.What kind of organisms are corals? What adaptations do they have to help them eat?

5.Why are adaptations important for a species?

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

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

Which structure in the cardiovascular system connect arteries to veins?