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English 20 Public

Ecosystem introduction review for 6th grade science

Study Slideshow

What is the original source of energy for any ecosystem?

Sun

10

Explain why the sun is important for all ecosystems?

The sun provides the energy for the ecosystem.

15

What does biotic mean?

Living factors in an ecosystem

10

What does abiotic mean?

Non-living factors in an ecosystem

10

Give two examples of biotic factors in an ecosystem.

plants, animals, fungi

15

Give two examples of abiotic factors in an ecosystem.

sunlight, soil, water, temperature, air pressure

15

What is mutualism in an ecosystem?

Mutualism is when two organisms interact and both are benefited.

15

What is competition in an ecosystem?

Competition is when animals compete for resources- usually space and food

15

What are predators in an ecosystem?

Predators eat other organisms for their energy.

15

What are prey in an ecosystem?

Prey are eaten by predators.

15

What is this image showing?

Predator and Prey

10

What is this image showing?

Competition

10

What is this image showing?

Mutualism

10

What would happen in an ecosystem if there were no predators?

The number of prey would grow too large for the amount of food available.

15

What would happen in an ecosystem if there were too many predators?

The predators would run out of food.

15

What happens to matter and energy in an ecosystem?

Matter and energy are recycled and used over and over again in an ecosystem.

15