Organization in Ecosystems Notes

Organization

in

Ecosystems

© The Science Duo

Organism

• Any living thing

• Only able to breed with an organism of the

same species

• Smallest level of organization in ecosystems

Plant

Animal

Bacteria

Population

• A group of organisms of a given species in a

particular area

• Same species, but can have different genetic

makeup for certain traits (ex. Hair color or eye
color)

All humans in
New York City

All lions in a
grassland

All pine trees in

a forest

Multiple Choice

Name the level of Organization in the following picture.

• Population
• Community
• Ecosystem
• Organism

Multiple Choice

Name the level of organization in the following picture.

• Organism
• Population
• Community
• Ecosystem

Community

• All of the populations in a specific area at a

given time

• Includes populations of organisms from different

species

Populations of zebras, elephants, and giraffes in a grassland

Note – These are just a

few examples. All

populations in an area
make up a community

Ecosystem

• All of the living and nonliving factors in an area

interacting together

• Biotic and abiotic factors

• Can be a large or small area

Pond Ecosystem

Multiple Choice

Name the level of Organization in the following picture.

• Population
• Ecosystem
• Community
• Organism

Multiple Choice

Name the level of Organization in the following picture.

• Organism
• Ecosystem
• Population
• Community

Biome

• A set of ecosystems that share similar

characteristics

• Climate, plant, and animal life is similar in

specific biomes

• Organisms have specific adaptations for the

biome in which they live

Tundra

Rainforest

Desert

Biosphere

• The sum of all ecosystems on Earth

• Largest and broadest level of ecological

organization

• Includes all biomes, humans, plants, animals,

living, and nonliving factors

Organization in Ecosystems

Population

Community

Ecosystem

Biome

Biosphere

Organism

Reorder

Order these from the smallest level of organization in an ecosystem to the largest level of ecological organization.

• Organism

• Population

• Community

• Ecosystem

• Biome/Biosphere

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Checkpoint

• 5 checkpoint questions

• Discuss each question with a partner

• Write a complete answer to each question on

your notes page

Dropdown

All the reptiles in an area are considered a​

Select answer

.

Labeling

Label the image with the correct level of organization.

Drag labels to their correct position on the image

Biome

Organism

Biosphere

Ecosystem

Population

Community