Which body changes occur during adolescence?
a: puberty and growth spurts only

b: sexual maturity and puberty only

c: growth spurts, puberty, and sexual maturity

d: sexual maturity and growth spurts only

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air