Introduction to Ecology and Levels of the Environment

The largest level of ecological classification 

• ecosystem

• biome

• population

• biosphere

the scientific study of interactions between different organisms and between organisms and their environment or surroundings

• ecosystem

• relationship

• ecology

• biome

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

How many levels of ecological organization are there?

• 9

• 7

• 6

• 5

A group of very similar organisms that can mate and reproduce offspring of the same type

• Community

• Population

• Individual/Organism

• Niche

Tags

NGSS.MS-LS3-2

All the organisms of the same species living in the same area or community

• Community

• Population

• Habitat

• Ecosystem

A population of different species that exist in an ecosystem

• Habitat

• Community

• Population

• Ecosystem

Tags

NGSS.MS-LS2-2

All living things in a given area, living and non-living.

• Ecosystem

• Biotic

• Community

• Species

Tags

NGSS.MS-LS2-3

The non-living parts of the environment such as rocks, air, temperature, sunlight, and water

• Abiotic

• Biotic

• Habitat

• Community

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

The living or once living organisms in an ecosystem

• Biology

• Abiotic

• Biotic

• Ecology

Tags

NGSS.MS-LS1-1

The part of the earth that supports life; includes the top portion of the earth's crust.

• Tropospher

• Atmosphere

• Biosphere

• Ozone