What is a niche? a. all of the resources a species uses within its ecosystem. b.a group if organisms that interact within an ecosystem. c.a group if organisms that produce fertile offspring. d. the place where a particular plant or animal lives.

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier

Which statement best describes the first stage of cellular respiration? check all that apply

Which phrase best describes the main goal of a human community