A person is walking through a park a branch from a tree falls nearly hitting her her heartbeat speeds up which part of the nervous system was responsible for this?

A. Parasomatic

B. Sympathetic

C. Somatic

D. Parasympathetic

Identify the process that represents how organisms grow and replace old or damaged cell.

when observing a runner-what physical evidence is there to suggest that the circulatory and respiratory systems rates are both increasing?

What are the two main stages of the cell cycle? Check all that apply.

1. All genes are not "on" all the time. Using the metabolic needs of E. coli, explain why not. 2. What are the two main ways of controlling metabolism in bacterial cells? 3. Feedback inhibition is a recurring mechanism throughout biological systems.

1. Divergent boundaries are characterized by explosive lava flows. True or False 2. Most damage in an earthquake takes place during the elastic rebound of the tectonic plates. A. True B. False

What is biodiversity an indicator of

How are traits passed down from parents to offspring?

Which phrase below correctly describes metaphase?

Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface. Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface. True False

Autoantibodies are probably involved in: reactions to poison ivy pollen allergies systemic lupus erythematosus HIV/AIDS