Biodiversity Question Preview (ID: 46468)


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Kangaroo rats do not drink water. They get most of the water they drink from the food they consume. They can be be found in the
a) desert
b) tundra
c) savanna
d) rainforest

The land ecosystem characterized by large amounts of rainfall and warm temperatures year round is a
a) taiga
b) temperate deciduous forest
c) alpine tundra
d) tropical rain forest

Which of the following human activities have helped to save the biodiversity of an ecosystem?
a) draining water from wetlands
b) removing predators from an ecosystem
c) setting up wildlife refuges and protected parks
d) introducing new species to ecosystems

In an ocean ecosystem, the greatest diversity of organisms is found
a) near the bottom
b) near a shoreline
c) at the surface
d) in a coral reef

In which biome is there the greatest biodiversity?
a) desert
b) rainforest
c) tundra
d) grassland

Overpopulation of a species occurs when
a) there are more organisms than an areas's resources can support.
b) there are more males than females of a species
c) there are more females than males of a species
d) there is too much competition among members of the species

The black rhinoceros is close to extinction because they are hunted for their skin, fur and horns that are used for commercial purposes. What is the effect of the over-hunting of these animals on the ecosystem?
a) The organisms on which these animals prey will decrease in number.
b) The habitat where these organisms live will be destroyed.
c) Competition will increase among the animals.
d) The balance among different species of the ecosystem will be disturbed.

What is the effect of increased biodiversity in an ecosystem?
a) The ecosystem will become less stable
b) The ecosystem will become more stable
c) The ecosystem will remain unchanged
d) The ecosystem will collapse.

Threats to biodiversity include which of the following?
a) deforestation
b) invasive species
c) pollution
d) all of the above

Biodiversity means
a) non-living things in an ecosystem
b) a variety of life in an ecosystem
c) to move away from an ecosystem
d) to change the life in an ecosystem

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