CPA Biology Midterm 24-25

Front

Which term describes the relatively constant internal physical conditions of an organism?

Back

homeostasis

Front

Example of an abiotic factor:

Back

Sand particle

Front

The average efficiency of energy transfer between trophic levels is approximately

Back

10%

Front

In the food chain: plant parts ---> cricket ---> mouse ---> hawk, which organism is the tertiary consumer?

Back

hawk

Front

What happens to the sugars that are made during photosynthesis?

Back

They can be used for cellular respiration.

Front

What is a limiting factor?

Back

any factors that restrict numbers, reproductions, or distribution of organisms

Front

Order the ecological levels of organization from smallest to largest.

Back

individual, population, ecosystem, community, biome

Front

Nitrogen fixation is performed

Back

by bacteria near the roots of plants

Front

Why are ecological pyramids a good model to show relationships between trophic levels in an ecosystem?

Back

It shows that the lower levels are needed to support the higher levels.

Front

Possible reason for the relatively quick spread of a disease?

Back

increased population density