Ecosystem Populations

All of the populations that live in one area together

• limiting factors

• populations

• community

• speed limit

What is the role an organism plays in its ecosystem?

• Habitat

• Niche

• Organism

• Population

A scientist would look at a group of rabbits that live in a meadow and call them a _____________.

• succession

• population

• community

• habitat

What is an organism that breaks down dead organisms and wastes to live and grown? 

• herbivore

• consumer

• producer 

• decomposer

The place where an organism lives that provides it with shelter, food and water.

• ecosystem

• population

• community

• habitat

An ecosystem is made up of _______ and ________ things.

• Living and nonliving

• Alive and dead

• Plants and animals

• Land and water

Tags

NGSS.MS-LS2-3

Which statement BEST explains the flow of energy as it moves through the different levels?

• Energy decreases as it is lost as heat to the environment.

• Energy increases as it is gained from the environment.

• Energy is unavailable because it is used up by the organisms at Level 1.

• Energy is transferred as it is produced by organisms in the next level.

Tags

NGSS.MS-LS2-3

What impact do resources, such as sunlight and water, have on a forest ecosystem?

• They limit the carrying capacity of the ecosystem.

• They increase habitat areas for new organisms entering the ecosystem.

• They decrease the number of diseases resulting from overpopulation.

• They alter the rate of photosynthesis, resulting in more oxygen being produced.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation?

• Heavy rainfall increases soil erosion.

• Melting glaciers cause sea levels to rise.

• Cold temperatures cause rocks to weather.

• Drought conditions increase competition among consumers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Dead matter and waste would pile up without which type of organism?

• decomposer

• consumer

• producer

Tags

NGSS.MS-LS2-3