Levels of Ecosystems

A living or once-living organisms in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

Tags

NGSS.MS-LS2-4

A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

Tags

NGSS.MS-LS2-3

Is a deer an abiotic or biotic factor? 

• abiotic
• biotic

Is a fern an abiotic or biotic factor? 

• abiotic
• biotic

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Is sunlight an abiotic or biotic factor? 

• abiotic
• biotic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A forest full of many kinds of trees and grasses is an example of a

• group
• organism
• population
• community

Which is an example of a population?

• different kinds of bacteria
• A group of fish and sharks
• deer, bear, and rabbits
• A herd of cattle

Which is the correct order of the levels of organization from simple to complex?

• organism, population, community, ecosystem

• ecosystem, community, population, organism

Organism

• Something that is not alive

• A complete living thing

• Many living things

• Where something lives

Tags

NGSS.MS-LS1-1

A population is __________________.

• all organisms in an area that belong to the same species

• all of the different species living together in an area

• an individual living thing

• all of the biotic and abiotic non-living factors in an area

Tags

NGSS.MS-LS2-4