Human Impact Flashcards

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1
Q

What is the main source of energy in an ecosystem?

A

Sun

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2
Q

Biotic factors in an ecosystem.

A

trees

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3
Q

Biotic factors in an ecosystem.

A

grass

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4
Q

Biotic factors in an ecosystem.

A

rabbit

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5
Q

Biotic factors in an ecosystem.

A

deer

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6
Q

Abiotic factors in an ecosystem.

A

sun

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7
Q

Abiotic factors in an ecosystem.

A

rocks

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8
Q

Abiotic factors in an ecosystem.

A

soil

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9
Q

Abiotic factors in an ecosystem.

A

water

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10
Q

Explain how competition in or among species can be both positive and negative.

A

Competition can keep species from growing past the capacity but it can also cause limited resources

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11
Q

Explain short-term environmental change.

A

Short Term- 0-5 years and does not allow organisms time to adapt

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12
Q

Explain long-term environmental change.

A

Long Term- 5+ year and allow organisms time to adapt

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13
Q

Short-term environmental change.

A

hurricane

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14
Q

Long-term environmental change.

A

Volcano

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15
Q

Positive Human Impact on the ocean systems.

A

Artificial Reefs- positive because it provides housing for fish and feeding grounds for larger fish

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16
Q

Negative Human Impact on the ocean systems.

A

Sound Impact- negative because it can alter the behavior of marine animals and prevent them from hearing important sounds

17
Q

Negative Human Impact on the ocean systems.

A

Marine Debris- negative because it poses a threat to marine ecosystems

18
Q

Negative Human Impact on the ocean systems.

A

Overfishing- negative because fish populations cannot be renewed quickly enough

19
Q

Negative Human Impact on the ocean systems.

A

Oil Spills- negative because it kills wildlife and contaminates water and soil

20
Q

Negative Human Impact on the ocean systems.

A

Runoff Pollution- negative because it pollutes rivers and oceans

21
Q

Short-term environmental change.

A

oil spill

22
Q

Long-term environmental change.

A

Global Warming