The defining characteristic of a prokaryotic cell is

Which sequence correctly shows the path of carbon dioxide during respiration? A) body cells, alveoli, capillaries B) body cells, capillaries, alveoli C) alveoli, capillaries, body cells D) capillaries, alveoli, body cells

Cystic fibrosis is a genetic disorder. It is a recessive trait that is determined by two alleles. Suppose two parents each carry at least one recessive allele, but neither of them has cystic fibrosis.

Why is algae classified in the Protist Kingdom and not the Plant Kingdom even though they are photosynthetic? Research why some scientists feel they should be classified as plants.

What does anaerobic mean?

During primitive times, what might the witch doctor give a person to relieve pain or illness?

In humans how many chromosomes are in a cell

Explain why anatomists describe the adductor magnus as a muscle composed of two parts g

Describe three ways in which the organs of the circulatory system and respiratory system are protected.

A reef results from life processes. True False

Why do producers make up the base of the energy pyramid