SPECIES EXTINCTION

Question 1

Variety of organisms in a given area

Answer 1

Biodiversity

Question 2

When a species, population becomes so low that only a few remain.

Answer 2

Endangered

Question 3

Disappearance of a species when the last of its members die.

Answer 3

Extinction

Question 4

Rapid rate at which trees are cut down. Major causes are: Kaingin and Illegal logging.

Answer 4

Deforestation

Question 5

Consequences of cutting down trees.

Answer 5

Soil Erosion, Floods, and Wildlife Depletion

Question 6

A major problems in lakes, rivers, and ponds is Euthrophication.

Answer 6

Water Pollution

Question 7

Happens when the concentration of organic nutrients that comes from domestic garbage are thrown in bodies of water.

Answer 7

Euthrophication

Question 8

Another effect of Water Pollutants.Buildup of pollutants in organisms at higher trophic levels in a food chain.

Answer 8

Biological Magnification

Question 9

Carbon dioxide acts like a blanket over the Earth, holding in the heat that would otherwise radiate back into space.

Answer 9

Air Pollution

Question 10

Trapping of heat by gasses in the earth’s atmosphere.

Answer 10

Greenhouse Effect

Question 11

Another effect of air pollution.

Answer 11

Acid Rain or Acid Precipitation