Biomes And Biodiversity

11 Questions | By Oaktonapes | Updated: Jan 2, 2013 | Attempts: 792

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Biomes. Biodiversity.

Questions and Answers

1.

All of the following are major biomes EXCEPT
- A.
  
  Deserts
- B.
  
  Lakes
- C.
  
  Tundra
- D.
  
  Grasslands
- E.
  
  Deserts
Correct Answer
B. Lakes
2.

Which of the following is not part of an aquatic ecosystem?
- A.
  
  Estuaries
- B.
  
  Barrier islands
- C.
  
  Coral reefs
- D.
  
  Savannas
Correct Answer
D. Savannas
3.

The greatest number of species are amongst
- A.
  
  Fungi.
- B.
  
  Vascular plants.
- C.
  
  Bacteria and viruses.
- D.
  
  Invertebrates.
- E.
  
  Reptiles
Correct Answer
D. Invertebrates.
4.

What is the primary cause of the recent drastic loss in biodiversity (caused by humans)????
- A.
  
  Habitat loss.
- B.
  
  Exploitation through overharvesting.
- C.
  
  Global climate change
- D.
  
  None of the above
Correct Answer
A. Habitat loss.
5.

Around __________ mammals have been identified as of 2004?
- A.
  
  20
- B.
  
  3,000
- C.
  
  5,500
- D.
  
  120,000
- E.
  
  1,234,567
Correct Answer
C. 5,500
6.

The extinction rate in the 20th century is.....
- A.
  
  20% lower than in undisturbed ecosystems.
- B.
  
  Around the same as the extinction rate in undisturbed ecosystems.
- C.
  
  100-1000 times than in undisturbed ecosystems.
- D.
  
  20% higher than in undisturbed ecosystems
Correct Answer
C. 100-1000 times than in undisturbed ecosystems.
7.

The nonliving components of the environment such as rock types, slope, geographic setting and climate that affect ecological functions are known as the ________ factors.

Correct Answer
abiotic
8.

True or False:You will often see Kangaroos, hawks, ants, and mountain lions in the desert biome.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
9.

The extensive destruction of coral reefs caused primarily by humans is estimated to take _________ to recover.
- A.
  
  6 months
- B.
  
  5-12 years
- C.
  
  20-100 years
- D.
  
  200-1,000 years
- E.
  
  Hundreds of thousands of years
Correct Answer
E. Hundreds of thousands of years
10.

A species whose loss from an ecosystem would cause a greater than average change in diversity or abundance of other species, community structure, and/or ecosystem processes is called a _________ species???

Correct Answer
keystone
11.

A species' niche is what?
- A.
  
  The role a species plays in a community.
- B.
  
  The distribution of the specific organism
- C.
  
  The variety of genetic mutations in a particular population.
- D.
  
  None of the above
Correct Answer
A. The role a species plays in a community.

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Current Version
Jan 02, 2013

Quiz Edited by
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Jun 08, 2009

Quiz Created by
Oaktonapes

Biomes And Biodiversity

All of the following are major biomes EXCEPT

Which of the following is not part of an aquatic ecosystem?

The greatest number of species are amongst

What is the primary cause of the recent drastic loss in biodiversity (caused by humans)????

Around __________ mammals have been identified as of 2004?

The extinction rate in the 20th century is.....

The nonliving components of the environment such as rock types, slope, geographic setting and climate that affect ecological functions are known as the ________ factors.

True or False:You will often see Kangaroos, hawks, ants, and mountain lions in the desert biome.

The extensive destruction of coral reefs caused primarily by humans is estimated to take _________ to recover.

A species whose loss from an ecosystem would cause a greater than average change in diversity or abundance of other species, community structure, and/or ecosystem processes is called a _________ species???

A species' niche is what?