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Numer: 41118
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Bioróżnorodność - test w języku angielskim

BIODIVERSITY - TEST
1. Match concepts and definitions:
Biodiversity
Extinction
Threatened Species
Habitat Fragmentation
Habitat Degradation
- the separation of wilderness areas from other wilderness areas
- when the last members of species die
- the damage to habitat by pollution
- species that have rapidly decreasing numbers of individuals
- variety of life within an area
2. Match concepts and definitions:
eutrophication
biodiversity
endemic species
-occurs when fertilizers, animal waste, sewage, or other substances rich in nitrogen and phosphorus flow into waterways, causing algae growth
-species that are only found in that specific geographic area and have critical levels of habitat loss
-variety of life in an area that is determined by the number of different species in that area

3. If a disturbance were to occur in an ecosystem, which of the following ecosystems would be most vulnerable to extinctions?
a. continental ecosystems b. island ecosystems
c. marine ecosystems d. tropical ecosystems

4. What is ecological balance?
a. The condition of equilibrium between native and non-native species in an ecosystem.
b. The condition of equilibrium among the different species in an ecosystem.
c. The condition of equilibrium among members of the same species in an ecosystem.

5. Species diversity, the number of different species in a biological community, increases as you move from the polar regions to the ...............................

6. Write four factors that threaten biodiversity:
........................................

7. Explain how overexploitation contributes toward present-day increasing mass extinctions. Provide an example with your answer.....?
- Box turtles separated by a road and unable to mate
- A beautiful waterfall
- Business of tigers leathers
- We hunt excessively which causes extinction. Hunting elephants just for their tusks.
- Genetic diversity.
- The destruction of habitat, such as the clearing of tropical rainforests.

8. Natural resources are all materials and organisms found in the biosphere, including:
a........................................ b.......................................
c........................................ d.......................................

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