The endosymbiotic theory states that chloroplasts and mitochondria evolved as a result a. a prokaryotic cell engulfing a bacterial cell. b. a eukaryotic cell engulfing a bacterial cell. c. a bacterial cell engulfing a prokaryotic cell. d. a bacterial cell engulfing a eukaryotic cell.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production