Which of the following describes the relationship between structure and function? The tails on sperm cells help them swim to the egg cell. The heart pumps blood through the body. The skin is made of many different layers

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall

What would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.