ecosystems

All of the nonliving parts of an ecosystem are __________.

• biotic
• biology
• abiotic
• biography

A group of organisms of the same species living in the same area are called a/an __________.

• community
• habitat
• population
• ecosystem

All of the living AND non-living things in an area that interact with each other are called a/an __________.

• community
• habitat
• population
• ecosystem

A group of different species that live together and interact in an environment are called a/an __________.

• community
• habitat
• population
• ecosystem

ALL energy flow for an ecosystem begins with ...

• plants
• the moon
• the sun
• algae

What are biotic factors?

• dead things
• living things/ organisms
• weather
• plants

Which is an example of an ABIOTIC factor?

• hummingbird
• water
• dead tree branch
• skunk

Which is an example of a BIOTIC factor?

• lightning
• algae
• sand
• clouds

Which are located at the very BOTTOM of an energy pyramid? 

• producers
• consumers - Level 1
• consumers - Level 2
• decomposers

A relationship where both organisms benefit is called __________.

• mutualism
• commensalism
• parasitism