Free SAT Biology Ecology & Behavior Questions and Answers

Question 1

What is an ecosystem?

Accepted Answer

All living and non-living things in an area

Answer

Only animals in an area

Answer

Only plants and soil

Answer

Only weather patterns

Question 2

What is the primary source of energy in most ecosystems?

Accepted Answer

The Sun

Answer

Soil

Answer

Wind

Answer

Water

Question 3

What is a trophic level?

Accepted Answer

A feeding level in an ecosystem

Answer

A population size

Answer

A nutrient cycle

Answer

A type of habitat

Question 4

What behavior is learned through experience?

Accepted Answer

Learned behavior

Answer

Reflex

Answer

Instinct

Answer

Genetic behavior

Question 5

What is the role of decomposers in an ecosystem?

Accepted Answer

Break down organic matter

Answer

Store energy

Answer

Hunt prey

Answer

Provide shelter

Question 6

What term describes an organism's role in its environment?

Accepted Answer

Niche

Answer

Habitat

Answer

Community

Answer

Biome

Question 7

Which process describes water movement through an ecosystem?

Accepted Answer

Water cycle

Answer

Carbon cycle

Answer

Nitrogen cycle

Answer

Oxygen cycle

Question 8

What is mutualism?

Accepted Answer

Both benefit

Answer

One benefits, one is harmed

Answer

Both are harmed

Answer

Neither benefits

Question 9

What is the carrying capacity of an environment?

Accepted Answer

Maximum sustainable population

Answer

Minimum population level

Answer

Average growth rate

Answer

Birth rate