When you inhale your lungs expand your lungs deflate air travels up the trachea the alveoli absorb carbon dioxide

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Light sensitivity in euglena is provided by the