Which is the best definition for density? a. the amount of space an object takes up. b. the amount of mass in a given space. c. the measure of the force of gravity on an object.

The pharynx is the structure in the body that serves as a pathway of both air and food. How does the body make sure that food does not get into the lungs? The salivary glands secrete enzymes that pull food out of the air pathway.

Why is it unwise to burn leaves in fall?

If a colony of cyanobacteria were added to a colony of anaerobic bacteria, how would the oxygen produced by the cyanobacteria most likely affect the anaerobes?

Cellulose is found throughout the cell walls of paint cells cellulose makes cell walls rigid which indicates that cellulose is a

Red panda natural selection or artificial selection?

Two parents are heterozygous for a recessive disease, what are the chances that the child is also a heterozygous?

Why do you think older people among the elderly are the most likely to be abused

What is the structural difference between plant and animal cells which makes them differ in cytokinesis? Plant cells have a cleavage furrow and animal cells do not.

The living part of the cell found both inside and outside of the nucleus is called protoplasm. This material is composed of proteins, carbohydrates, electrolytes, water, and what other substance?

Outline how global warming may affect arctic ecosystems.