What is an ecological system consisting of all of its biotic and abiotic factors?
a. community
b. ecosystem
c. habitat
d. pure culture

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.

All ova contain sex chromosomes corresponding to: x y xx xy

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?