Biodiversity and Populations

Which picture shows the greatest amount of biodiversity?

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Which of the following is an example of keystone species?

• deer

• rabbit

• wolves

• squirrel

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Which of the following descriptions about the organization of an ecosystem is correct?

• species make up populations, which make up communities

• communities make up species, which make up populations

• populations make up species, which make up communities

• species make up communities, which make up populations

What is biodiversity?

• A living thing, such as an animal, plant, bacterium, or a fungus

• changing, organized group of related parts that interact to form a whole

• variety of life within an area

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What effect will the removal of a keystone species have on an ecosystem?

• decrease biodiversity

• biodiversity will stay the same

• increase biodiversity

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What is an example of predation?

• lion eats zebra

• bears fight over shelter

• cat and dog walk together

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The rainforest has the greatest variety of different organisms that live there. In other words, the rainforest has the greatest ______.

• speciation

• biodiversity

• climate

• succession

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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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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

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Which biome has the most variety of plants and animals?

• Temperate Forest

• Rainforest

• Tundra

• Grasslands

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