Ecology Test Review 1

In this energy pyramid, which organism would most likely be in level 2?

• bird

• fox

• caterpillar

• tree

The interaction of living and non-living things in a habitat is called ___

• an environment
• an ecosystem
• a food web
• a food chain

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer
• consumer
• decomposer
• autotroph

What is the bottom layer of the an energy pyramid?

• producer

• tertiary consumer

• Secondary consumer

• primary consumer

What does an energy pyramid show?

• Energy flow in a community

• Longest lifespans

• The stronger animal the higher it is on the pyramid

What would happen if their were no producers?

• Every population would grow larger

• Everything would die out

• The animals would make their own food

What would happen if the primary consumers died out?

• the producers would grow and the secondary and tertiary consumers would die

• producers would die out

• consumers would grow

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

A secondary consumer 

• eats primary consumers
• eats producers
• eats plants

All the organisms on earth get their energy directly or indirectly from?

• Oxygen
• Water 
• Nitrogen
• The Sun