Explain how cells specialize to form specific tissue and organs.

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time

What is a general feature of a species that varies from one individual to the next (skin tone, eye color or hair color)? a. organism b. trait c. character