The leaves on a green plant soak up sunlight to make food. a cow's stomach digests grass that was eaten. these are examples of which characteristic of life?
a.
growth
b.
homeostasis
c.
metabolism
d.
heredity

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.