What happens when the diaphragm contracts?

A. The rib cage moves down.

B. The volume of the thoracic cavity increases.

C. The diaphragm rises.

D. The volume of the thoracic cavity decreases.

1. A volcano spews out cinders and ash. What type of eruption is this? What is the amount of silica (high/low) in the magma?

Why is meiosis important? Be sure to explain your answer.

Carbon is the basis of all life and is constantly being cycled through ecosystems. In which form is carbon passed along from plants to animals?

Question Select the correct answer. If both parents have brown eyes, and both blue eyes? ave one dominant and one recessive allele, what are the odds of the parents having an offspring with None of the offspring will have blue eyes.

How to feed plants for food

Which type of t cell is involved in activating macrophages and stimulating development of cytotoxic t cells?

What is fried miescher credited with?

What would happen if u remove a level from the levels of organization

Julio wants to study the effect of water temperature on the hatching of fish eggs in a lake. Which of these experimental designs would be most practical for Julio? A.

Which is the correct sequence of the writing process steps?