What is the relationship between an animal's brain and its ability to learn and modify behaviors? A. Animals with brains have no capacity to learn or modify behaviors. B. There is no relationship between an animal's brain and its ability to learn. C. Animals with more complex brains have a greater capacity to learn. D. Animals with less complex brains have a greater capacity to learn.

What causes darkening of the skin as melanin production increases

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

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down