Neurological changes in the brain caused by chronic fear or stress are:

What properties of a substance determine how that substance will react when combined with other substances

A scientist is observing a eukarotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell? cytoplasm DNA ribosomes a nucleus Mark this and return Save and Exit Nord SD

Political science is a. the study of the choices people make in an effort to satisfy their needs and wants. b. the examination of the organization and operation of governments. c. the study of past events. d.

In which of these organisms does binary fission occur?

In a healthy body, the heart pumps blood efficiently. When the heart has a problem, heart failure can occur. Heart failure can happen on one side of the heart or on both sides.

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