Ecosystems Flashcards

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1
Q

What is an ecosystem?

A

a natural environment and includes plants and animals that live and interact within that environment.

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2
Q

What is Biotic?

A

Living elements of an ecosystem, such as plants and animals.

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3
Q

What is Abiotic

A

Non-living elements of an ecosystem, such as climate, temperature, water, and soil type

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4
Q

What do freshwater pond ecosystem consists of?

A

Pond bottom
Mid water
Pond surface
Pond margin
Above the pond surface

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5
Q

What can ecosystems be altered by?

A

Natural factors and Human management

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6
Q

What Changes to the ecosystem caused by natural factors?

A

Drought, flood, fire and disease

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7
Q

What Changes to the ecosystem caused by human management?

A

introducing more fish, altering the drainage of the land, changing the pH of the water and altering the nutrient level of the water.

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8
Q

What is the link between consumers and decomposers

A

Decomposers break down dead organisms and consumers absorb the nutrients from the dead organisms

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