Ecology Review

Abiotic factors in the environment are all __________. 

• living
• nonliving

A group of populations that interact in an area is __________

• ecosystem
• community
• biome
• population

Lions, birds, snakes and trees are all __________.

• abiotic factors
• biotic factors
• part of a niche
• in the same food chain

Algae, grasses and trees are all __________. 

• decomposers
• consumers
• autotrophs/producers
• pyramids

The portion of Earth that supports life is the __________

• individual
• community
• biosphere
• environment

An animal that eats plants and meat is a(n) __________.

• herbivore
• omnivore
• carnivore
• decomposer

Which organism in the food chain receives the largest amount of useful energy?

• bird

• fox

• snake

• tree

The ecosystem is comprised of both ____ and _____factors.

• rain and shine
• biotic and abiotic
• earth and environment

What is the source of energy that flows through most of the food chains on Earth?

• plants
• the sun
• temperature
• wind

Which level has the least amount of energy?

• producer
• decomposer
• primary consumer
• secondary consumer