Biodiversity Unit Test

Which community has higher species evenness?

• Community A

• Community B

Which of these drawings would be found in a healthy ecosystem?

• 
• 

When there is higher biodiversity

• more organisms are likely to die because they can't adapt to environmental changes.
• there is less diversity.
• there is more diversity and higher sustainability of life.
• there is more diversity and lower sustainability of life

Why is biodiversity in an ecosystem so important?

• Because it can help humans where to determine good places to develop farm land.

• Because places that have a healthy biodiversity are unaffected by major disturbances.

• Because having a high biodiversity allows ecosystems to withstand major changes.

• Because having a high biodiversity allows for fewer opportunities of competition for similar resources.

This organism has a special adaptation that allows it to absorb oxygen.  Where would you see this organism?

• Desert, where there is little water and hot temperatures.
• Tundra, where the animal lives at high altitudes and there is less breathable oxygen.
• Marine, Salt water or fresh waster where the oxygen must be absorbed from the water.
• All organisms have this adaptation.

An organism has 
*  long legs
*  no fur on it belly
*  hunts at night (nocturnal)
In what biome would we find this organism?

• Grassland
• Desert
• Tundra
• Forest

This picture is a great example of ____________ biodiversity.

• high
• moderate
• low
• hhhmmmm there is no way to know without counting.

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

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

If there is more food than usual in an ecosystem, then the population will mostly likely...

• stay the same
• decrease
• increase