Testosterone directly affects the

(1) formation of a zygote

(2) changes within an ovary

(3) production of sperm cells

(4) development of a placenta

Why compost fertilizer is organic fertilizer

Giraffes have long neck that allows them to eat leaves in trees. what is this an example of

Are most vitamins and minerals present in amounts at or near 100% of the adult dri?

What type of wave carries more energy radio waves or visible light?

The mitral valve, located between the left atrium and left ventricle, is also called the:

Besides the ability of some cancer cells to divide uncontrollably, what else could logically result in a tumor?

Which of the following is an abiotic factor you might find in a desert

A population is a population is a group of individuals of the same species that live in the same area and interbreed. all individuals of a species, regardless of location or time period in which they live.

Tongues have the ability to taste sweet, sour, salty, and bitter. true false

How could I measure the rate of photosynthesis in a scientific experiment that'll test the effect of light intensity on the rate of photosynthesis with an Elodea plant?