Science 8c Review

Why do animals go extinct?

• Animals go extinct solely due to disease.
• Animals go extinct because they are too large.
• Animals go extinct due to habitat loss, climate change, pollution, overhunting, and invasive species.
• Animals go extinct due to natural selection only.
• Animals go extinct because they cannot adapt to their changing habitat.

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Match the animal to the habitat where the animal would be the least likely to be eaten by a predator.

• Desert

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• Forest after a Forest Fire

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• Lush Rain Forest

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• Artic

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• Swamp

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Look at the number of animals collected and released in Sarah's neighborhood in one year's time. Many of these animals compete for the same food source. Which animal population had the greatest decrease due to increased food population?

• Animal A

• Animal B

• Animal C

• Animal D

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Match the adaptation with how it helps the animal survive.

• It allows them to reach high leaves for food.

• Quails have speckled eggs.

• They can catch and tear apart their prey.

• Ladybugs have hard wing coverings.

• Keeps them warm during seasonal changes.

• Hawks have sharp beaks.

• They protect their wings and body.

• Giraffes have long necks.

• It helps them blend into their environment.

• Polar bears have thick fur.

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Why do some birds and insects migrate thousands of miles to warm places like Mexico?

• They migrate to find food and paces to lay their eggs in warmer climates.

• They migrate to escape predators in colder regions.
• They migrate to find new nesting materials in urban areas.
• They migrate to follow seasonal weather patterns in their local habitats.

Bears hibernate for​ (a)   in (b)   climates and ​ (c)   in ​ (d)   climates, like Florida.

• colder
• longer
• shorter
• warmer
• hotter
• briefly
• constantly

Match the plant to its adaptation.

• Thorns deters predators

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• Stops salt water from going in its roots

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• Toxins deter predators

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• Eats live prey

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