Ecology

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

• pollution to the environment

• heat to the environment

• energy for decomposers

• gets recycled

What percentage of energy is passed on to the next trophic level?

• 5%

• 10%

• 50%

• 90%

The living parts of an ecosystem

• Biotic factors

• Abiotic factors

• Mother Earth

• Flowers

What is a producer?

• an organism that gets energy from eating other organisms

• an organism that uses sunlight or chemical energy to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

An organism that gets energy from eating other organisms is a ______________.

• producer

• consumer

• decomposer

• prey

A tree is an example of a ....

• composer

• decomposer

• producer

• omnivore

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem

A rock is considered ________ .

• Living

• Nonliving

• Dormant

• Dead

The word "primary" means "first."

If that's true, what does primary consumer mean?

Hint: look carefully at the food chain!

• the first organism in a food chain

• the first organism that consumes something else for energy