Levels of Organization

Which is the simplest level of organization within the environment?

• cell

• organism

• population

• community

Tags

NGSS.MS-LS1-1

Which of the following is the highest level of organization within the environment?

• population

• organism

• ecosystem

• biosphere

Reorder the following from least to greatest (from left to right).

• organism

• ecosystem

• community

• population

• biome

Which of the following describes #2?

• An ecosystem is the interaction between biotic and biotic factors.

• A community is a group of different populations in the same area.

• An organism is one living thing.

• A population is a group of the same organisms.

What level of ecological organization does this entire picture represent?

• Organism

• Population

• Community

• Ecosystem

Tags

NGSS.HS-LS2-6

What level of ecological organization does the bird represent?

• Organism

• Population

• Community

• Ecosystem

What level of ecological organization do the organisms represent?

• Species

• Population

• Community

• Ecosystem

​ ​ (a)   - Organisms that have similar features and can reproduce.

​ (b)   - A group of the same species that live in a certain area.

​ (c)   -  A combination of all the different populations that live and interact in the same environment

​ (d)   - All the living and non-living things that interact in one specific part of the environment.

• Species
• Population
• Community
• Ecosystem

Tags

NGSS.HS-LS4-2

a

b

c

d

e

Ecosystem

Population

Organism

Community

Biosphere

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following describes #3?

• An ecosystem is the interaction between biotic and biotic factors.

• A community is a group of different populations in the same area.

• An organism is one living thing.

• A population is a group of the same organisms.