Adaptations: Lesson 4 Quiz 24-25

When an organism of a species has an adaptation that is an advantage, it will survive longer, reproduce, and pass that adaptation on to it's offspring. This process is called

• Natural Selection

• Artificial Selection

• Adaptation

• Speciation

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Why are advantageous (helpful) traits in nature more likely to be passed onto offspring?

• Because the organisms are more likely to survive and reproduce.

• Because humans control the process.

• Because there is no competition.

• Because all of the organisms with a disadvantage will die.

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Why might it be helpful for a species to have a lot of variations?

• They can't be seen by predators

• If the environment changes, they might be better able to adapt

• It is helpful in asexual reproduction

• They don't recognize each other

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There is a rabbit species lives in an extremely cold environment.

Their main predator hunting at night and by sound.

Which adaptation would help the rabbit survive the BEST?

• camouflaged fur

• a thick coat of fur

• larger ears

• larger feet

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Sunflowers need sunlight to survive. Which variety of sunflower is more likely to survive in a crowded field?

• tall

• medium

• short

• None of them will survive

• They will all survive fine

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Look at the graph.

READ the KEY.

Due to pollution, a pond becomes darker over time. Which trait variation will become more common?

• Light fish

• Dark fish

• Neither variation will become more common

• Both light fish and dark fish

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A species of rodent lives in a humid forest climate. Over time, the climate becomes drier and more desert-like. Which of these adaptations would most likely will improve the chances that the rodent species could survive as its environment changes?

• being able to eat plants that survive in a drier environment

• being able to eat only one type of berry

• living above ground in damp areas

• having dark hair and small ears

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What type of environment do you think this data was collected from?

• forest with primarily white-bark trees

• forest with primarily dark-bark trees

• forest with a mixture of light and dark bark trees

• forest that changed from dark to light bark trees

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Some birds have "flashy" tails. Birds with "flashy" tails tend to produce 5 offspring, while birds with "less flashy" tails tend to produce 2 offspring. What will become more common in the future?

• The number of "less flashy" tail birds will increase.

• The number of "flashy" tail birds will increase.

• There will be equal amount of both types of birds.

• Both birds will decrease due to lack of food.

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A large herd of goats lives in a field full of poison ivy, with no other food source.

Some goats are able to eat the poison ivy.

Some goats get sick when they eat poison ivy.

Over time the herd as a whole will tend to.........

• Become more likely to eat poison ivy.
• Become less likely to eat poison ivy.
• Not change in the proportion of goats that can and can not eat poison ivy.
• Eat all the poison ivy and leave only plants all the goats can eat.

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