Serengeti Biology

What factors can influence the number of organisms that can live in an area?

• Disease

• Food availability

• Presence of predators

• All of the above.

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What is NOT true about biodiversity?

• Biodiversity refers to all of the different species of organisms in an ecosystem

• Humans can impact the amount of biodiversity on the planet.

• Biodiversity is unimportant.

• The more biodiversity there is, the healthier an ecosystem is considered.

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What is true about keystone species?

• Keystone species play an insignificant role in maintaining the structure of an ecological community.

• Without keystone species, the ecosystem would be dramatically different or cease to exist altogether. ​

• Wildebeest are not considered a Keystone species of the Serengeti.

• A ​Keystone species is a plant that plays a unique and crucial role in the way an ecosystem functions. Animals cannot be keystone species.

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How does migration cause the increase in the wildebeest population?

• It doesn't.

• Migrating allows access to more food and water.

• It provides excise for the animals to keep them healthy.

• Both animals migrate so it affects them both the same.

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Migration can help an organism survive because?

• There are no predators on the migration.

• They can move based on food availability.

• They can travel for the seasons.

• Tourism doesn't happen in the same locations as the migration.

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What happened to the buffalo population in the Serengeti between 1975 and 2000

• Increased

• Decreased

• Stayed the same

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What do you call an organism that kills another organism for food?

• producer

• predator

• consumer

• herbivore

Which of these is(are) a producer?

• leaf

• grasshopper

• snake

• bird

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Who has a shorter lifespan?

• Buffalo

• Wildebeest

• They are the same.

What is the primary role of the wildebeest in the Serengeti ecosystem?

• A) Predator

• B) Prey

• C) Keystone species

• D) Decomposer