How do scientists know that humans originated in Africa?

Which endocrine glands are associated with the kidneys? thyroid glands pituitary glands adrenal glands gonads

What is the main source of energy?

In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in people. He studies two set of people-those who exercise every day for an hour and those who don't exercise at all.

Body composition has little to do with cardiorespiratory fitness. True or Faulse.

How is th shape and size of a cell related to its function?

The amount of light and temperature are examples of

Genetic drift refers to changes in the gene pool of a population that result from O A. injuries caused by male competition O B. changes in the number of polygenic traits O c. a type of artificial selection D. random changes in allele frequencies

The two most common nutrative (caloric) sweeteners used in the manufacturing of food and beverages are sucrose and high-fructose corn syrup (HFCS).

A plant cell shrinks from the lack of water what term describes the environment outside the cell? permeable hypertonic hypotonic osmotic

The continents began to drift apart by the end of the