Certain foraminifera (shelled protozoa) have inconsistent fossil records. Which mode of evolution do they represent?

A. adaptive radiation

B. phyletic gradualism

C. puncated equilibrium

Which of the following weather patterns would be characteristic of a La Niña event? a. high pressure over the western Pacific. b. high ocean surface temperatures. c. warm and dry weather in the southern U. S. d.

What is the powerhouse of the animal cell

How are the products of protein hydrolysis by an aminopeptidase used in metabolism?

Which of the following can be used to induce abortion nonsurgically? A. Mifepristone B. Dextromethorphan C. Estrogen D. Progesterone

What would happen if antibiotics from a neighboring cattle ranch were carried by runoff into a farm that grows produce year round?

Which of the above mammals are the most closely related to each other? A. the dolphin and the whale B. the manatee and the sea lion C. the dolphin and the manatee D. the manatee and the whale

Which hormone is responsible for the development of the male secondary sex characteristics? estrogen progestin progesterone testosterone

The state of equilibrium in the internal environment of the body is called

Trilobite fossils are found in Cambrian rocks but not found in the more recent rocks from Triassic period. This MOST likely suggests they went extinct before the Triassic. True or False

5 facts about golgi body