Human Impact

Question 1

What is the main source of energy in an ecosystem?

Answer 1

Sun

Question 2

Biotic factors in an ecosystem.

Answer 2

trees

Question 3

Biotic factors in an ecosystem.

Answer 3

grass

Question 4

Biotic factors in an ecosystem.

Answer 4

rabbit

Question 5

Biotic factors in an ecosystem.

Answer 5

deer

Question 6

Abiotic factors in an ecosystem.

Answer 6

sun

Question 7

Abiotic factors in an ecosystem.

Answer 7

rocks

Question 8

Abiotic factors in an ecosystem.

Answer 8

soil

Question 9

Abiotic factors in an ecosystem.

Answer 9

water

Question 10

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

Answer 10

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

Question 11

Explain short-term environmental change.

Answer 11

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

Question 12

Explain long-term environmental change.

Answer 12

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

Question 13

Short-term environmental change.

Answer 13

hurricane

Question 14

Long-term environmental change.

Answer 14

Volcano

Question 15

Positive Human Impact on the ocean systems.

Answer 15

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

Question 16

Negative Human Impact on the ocean systems.

Answer 16

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

Question 17

Negative Human Impact on the ocean systems.

Answer 17

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

Question 18

Negative Human Impact on the ocean systems.

Answer 18

Overfishing- negative because fish populations cannot be renewed quickly enough

Question 19

Negative Human Impact on the ocean systems.

Answer 19

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

Question 20

Negative Human Impact on the ocean systems.

Answer 20

Runoff Pollution- negative because it pollutes rivers and oceans

Question 21

Short-term environmental change.

Answer 21

oil spill

Question 22

Long-term environmental change.

Answer 22

Global Warming