Science Review due 3/18

All food chains_____________________

• have more consumers than producers
• produce and use same amount of energy
• begin with a producer
• are unhealthy 

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

An organism that gets food by eating other organisms? 

• producer 
• consumer
• herbivore 
• decomposer 

How does energy enter an ecosystem? 

• sunlight
• soil 
• animals 
• invasive species 

What is an organism that breaks down dead organisms and wastes to live and grown? 

• herbivore
• consumer
• producer 
• decomposer

Most ecosystems have many food chains. What are food chains that overlap in an ecosystem and show feeding relationships? 

• unhealthy
• energy pyramid 
• food web
• matter

All the members of one species that live within an area of an ecosystem is a?

• population
• community
• niche

The different populations that interact with each other in the same area form?

• population
• community
• niche

The specific role an organism has in its habitat is called its?

• population
• community
• niche

An ecosystem is made up of:

• living things
• nonliving things
• living and nonliving things