Biodiversity #2

What is the difference between biotic and abiotic?

• Biotic are non-living things
• Abiotic are living organisms
• Biotic is life,
  Abiotic is non-living
• Biotic is non-living, Abiotic is living

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What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

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The illegal capture or killing of an organism, often for money, is called...

• poaching
• harvesting
• fragementation
• extinction

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The most sustainable ecosystem would ...

• have low biodiversity
• have high biodiversity
• not experience change
• have no predators

Why is biodiversity so important?

• Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
• Because it’s better to have only one variation of each species.
• Because it better to only have a few species on Earth.
• Honestly, I have no idea what biodiversity is!

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How can humans best help an endangered species avoid extinction?

• they can feed the animals
• they can put the animals in a zoo
• they can protect the animal’s habitat
• they can take the animal to new habitats

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a species that may become extinct in the near future is called ...

• keystone species

• endangered species

• threatened species

• mutant

the breaking of habitats into smaller pieces is called...

• habitat division

• habitat pollution

• habitat corruption

• habitat fragmentation

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The eastern long-beaked echidna, shown here, is an egg-laying mammal found only in New Guinea.  Which of the following terms describes an organism such as the echidna that is found in one place and nowhere else in the world? 

• endemic
• threatened 
• endangered
• conserved

An event  in which a large percentage of all living species become extinct in a relatively short period of time.

• Habitat fragmentation 
• Mass extinction
• Overexploitation
• Background extinction

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