Ecosystems

Which of the following are abiotic factors?

• water

• dead branch that fell off a tree

• sunlight

• temperature

Answer explanation

Abiotic (remember the prefix a = not) factors are things in the environment that are not living, were never living, and did not come from living things

Tags

NGSS.MS-ESS2-4

Which of the following are biotic factors?

• leaves that fell off a tree

• turtle

• water

• flower

Answer explanation

Biotic (prefix bio = living)factors are things in the environment that are living, were once living, or came from living things (even things like a dead leaf or poop!)

The place where an organism lives is called its:

• home

• niche

• nest

• habitat

An organisms role in its habitat is called its:

• job

• niche

• habitat

• purpose

The ultimate source of energy in most ecosystems is the

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An organism is:

• one deer in the forest

• all of the same organism in an ecosystem

• an individual living thing

• all of the deer in a forest

Which of these images shows a population?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

A community is made up of:

• all of the organisms in a single species in a given area

• all of the organisms in a given area

• all of the living and nonliving things in a given area

An ecosystem consists of:

• a single organism

• all of the biotic factors in a given area

• all of the biotic factors and their interactions with the abiotic factors in a given area

Tags

NGSS.MS-LS2-3

This is how I feel about ecosystems (choose two!):

• 
• 
• I got it!

• I need more practice!

Tags

NGSS.MS-LS2-1