In men, as the urethra leaves the bladder, it travels though the gland, a spherical gland at the base of the bladder.

20 the main source of energy for our planet comes from the

Which of the following structural adaptations an organism obtain food? a. dandelion seeds that can float in the wind b. the bright-colored skin of a poison dart frog c. the long neck of a giraffe d. the cardinal's bright red coloring

Cells in organisms need food, air, and waste removal. how are these needs met? a. cells get their food from the air and sunlight around them. b. organs and tissues perform these functions for the cells. c. cells share their waste with other cells. d. each cell must specialize in all of these functions.