ecology

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

• community
• habitat
• population
• ecosystem

An area where an organism finds food, shelter and water in a specific arrangement

• niche
• biosphere
• biome
• habitat

The living part of an ecosystem

• Biotic
• Abiotic
• Mother Earth
• Flowers

The non-living part of an ecosystem

• Ocean
• Lava Flow
• Birds
• Abiotic

According to the image, what is the producer?

• plant

• insect

• mouse

• snake

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

According to the image, what is the primary consumer in the food chain?

• plant

• insect

• mouse

• snake

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Trophic levels are represented by 

• squares
• circles
• pyramids
• lines

A producer

• Eats grass

• Makes its own food

• Does not need food(energy)

• Is a primary consumer