Ecosystems: Resources and Interactions

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

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

• population
• biotic factor
• abiotic factor
• community

Choose all of the biotic factors in this picture.

• sunlight

• elephants

• plants

• soil

Choose the correct order of organization

• populations, ecosystems, communities, organisms

• organisms, communities, populations, ecosystems

• organisms, populations, communities, ecosystems

• populations, communities, ecosystems, organisms

Which of the following are examples of populations in an ecosystem? (Choose all that apply)

• gray wolves in a forest

• a group of cardinal birds on a tree branch

• a school of clown fish

• the cats and dogs in a neighborhood

All of the following are examples of limiting factors except

• food

• time

• space

• water

All members of one species in a certain area.

• Population
• Limiting Factors
• Immigration
• Birth Rate

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Occurs when organisms MOVE in from another environment.

• Immigration
• Emmigration

Occurs when part of the population LEAVES the environment

• Immigration
• Emmigration

The largest number of organisms that the environment can support. 

• Carrying Capacity
• Limiting Factor

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4