Biology Review Game

What causes a population to increase?

• More emmigrating

• More deaths

• More death than births

• More births than deaths

Carrying capacity is...

• The minimum number of organisms an Env can support

• The maximum weight a mother gorilla can hold

• The maximum number of organisms an Env can support

• More individuals emigrating out than immigrating in

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What is meant by extinction of species?

• When there are only a few left

• When scientists find its fossils

• When it is completely gone

• When it has not been seen for many years

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What causes competition to occur in an environment?

• Good conditions make resources plentiful.

• Organisms struggle for a limited resource.

• Members of a population have different roles.

• A population falls below the environment’s carrying capacity.

Which statement below explains why traits change over time?

• Organisms can have both the advantageous trait and disadvantageous trait

• Populations grow exponentially

• There is variation of traits among species

• Individuals with the advantageous trait will die

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Which of the following statements is true about Charles Darwin?

• He believed the evolution of a species was due to the inheritance of aquired characteristics

• He was in agreement with Lamarck's theory of how evolution occurred

• He believed that the variation seen within natural populations is the result of repeated mutation

• He believed that those most suited to their environment survive, and given enough time, the species will gradually evolve

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What did Lamark believe occurred in regards to how giraffes acquired their long necks?

• Giraffes once had short necks that got progressively longer as members of each subsequent generation stretched their necks

• It was through random variation that some giraffes had longer necks than others

• The competition between males had driven the evolution of the giraffe neck, with female giraffes somehow carried along as males kept pushing the limits of neck length

• Since shorter creatures pick over food at lower level, giraffes evolved to allow them to reach food and nutrients that others cannot

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Ecological succession is...

• The process of islands forming

• The process of plate tectonics and sea floor spreading

• The process where biodiversity decreases

• Changes in the types/numbers of species in a community over time

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Which of the following is NOT a characteristic of ALL living things?

• Reproduces

• Adapts to Environment

• Grows & develops

• Exchanges both oxygen & carbon dioxide

• All answers are characteristics of living things

Organisms compete for all except:

• Food/Water

• Mates

• Shelter

• DNA

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