Animals must obtain energy from sources outside their own body. Which of these substances is a source of chemical potential energy that animal cells can use?

A. soil

B. air

C. iron

D. sugar

Thiazide diuretics work in the ... (select all that apply) lopp of henle efferent areterioles proximal convoluted tubule distal convoluted tuble

An example of a parallel choice on a dichotomous key is___ a. old or young b. happy or sad c. brown hair or black hair

Describe the occasion in which the bacterial dna withstood conditions

Opiate drugs bind onto the same receptor sites as the body's own endorphins. therefore, opiate drugs tend to

The direction of wind plays an important role in the process of

Inorganic fertilizers have a positive effect on agricultural crops but can adversely affect surrounding areas. What is a negative result of increased inorganic fertitizer run-off into ponds and lakes?

Which describes a group of organisms that is considered a species? They can breed and produce offspring that can breed. They are members of the same community. They live in the same ecosystem, community, and biome.

It is not possible for an airborne pathogen to travel very far. TRUE OR FALSE

Speed in a given direction is called a. thrust. c. mass. b. velocity. d. acceleration.

Essay about biology On your semester in biology what was one thing that you learned and will use in your life