Ecology Levels of Organization of the Environment

Which of the following correctly lists the levels of organization from most complex to least complex?

• Community, Organism, Population, Ecosystem

• Population, Community, Ecosystem, Organism

• Ecosystem, Community, Population, Organism

• Organism, Population, Community, Ecosystem

The biotic and abiotic factors that work together in an area

• Community

• Ecosystem

• Organism

• Population

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The most specific (least complex) level of organization within an ecosystem

• Community

• Population

• Organism

• Ecosystem

Tags

NGSS.MS-LS1-1

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2

Labe the diagram with the following terms.

a

b

c

d

e

f

g

h

Biosphere

Biome

Biotic

Community

Ecosystem

Organism

Population

Abiotic

Tags

NGSS.MS-LS2-3

What level of organization can be observed in the image?

• Species

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-3

Match the following definitions and terms.

• Organism

• Members of the same species that live in the same area at the same time.

• Biosphere

• All living things and the physical environment with which they interact in a particular area; all the biotic and abiotic factors in an area.

• Community

• All the interacting species in an area; includes only the biotic factors and excludes the abiotic factors in an area.

• Ecosystem

• An individual life form.

• Population

• Consists of all the Earth’s biotic and abiotic factors or living and once-living things and the physical environment with which they interact; the sum of all ecosystems on Earth.

Place the ecology levels of organization in proper order (smallest to largest)

• organism > population > community > ecosystem > biosphere

• community > organism > ecosystem > biosphere > population

• organism > community > biosphere > population > ecosystem

• population > biosphere > ecosystem > community > organism

The portion of the planet in which living things are found

• ecosystem

• biosphere

• biome

• atmosphere

Answer explanation

The correct answer is 'biosphere' because it refers to the portion of the planet where living things are found, encompassing all ecosystems and biomes.

Which term refers to the study of organisms and their interactions within the environment?

• biosphere

• niche

• ecology

• habitat

Tags

NGSS.MS-LS2-2