Which of the following contains more biodiversity?
A. food chain
B. food web

Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided

How does the study of genetic disorders such as pku biologists understand normal alleles?

The transport tubes from food came down the plant are called?