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If the population of a certain predator increases, there is often _______ its prey

• a decrease the population of

• an increase of the population of 

• great news for its prey of

• no  impact found on

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If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same

• The bird population would infinitely increase

• The bird population would decrease

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Why is it important for living organisms, plants and animals, to be able to adapt to different habitats?

• in order to triple its size and weight

• in order to survive and thrive in their habitat

• in order to live in harmony

• in order to be able to hibernate in the winter

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Structural adaptations involves various animal behaviors that enables them to survive in their environment. For instance, long necks help giraffes to eat the green leaf on the top of tree. Which of the following is a form of a structural adaptation?

• nocturnality

• migration

• webbed feet

• hibernation

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A cactus lives in a desert habitat which is often very hot, has a thin layer of soil, and receives very little rain. Which adaptation helps it to survive?

• its needles

• its shape

• its thick roots

• its thick waxy leaves

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The Snail Kite and the Limpkin are birds that are native to Florida. Both birds rely on the island apple snail as their main food source. Other species of apple snails have taken over in large numbers. Which most likely describes what will happen if the population of island apple snail were to continue to decrease?

• The birds will increase in numbers.

• No change to the population or behaviors will be evident.

• The birds will need to find another source of food to eat.

• The birds will migrate and come back to the island during the winter months

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The Darwin moth, also known as a Peppered Moth, is now found in many forests throughout North American. As a caterpillars, the moth lives among branches and can disguise itself as a twig. How does this benefit the Peppered Moth caterpillar?

• they have a large appetite

• they will more likely have a higher survival rate

• they have an easier time finding shelter

• they use less energy

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The Scarlet King Snake is often confused for the venomous Florida Coral Snake. Use the illustration, observe what adaptation has the Scarlet King Snake used for its benefit of survival.

• Scarlet King Snake finds shelter in the Coral Snake.

• Scarlet King learned to hunt from the Coral Snake.

• Scarlet King Snake mimics the colors and pattern of the Florida Coral snake.

• Scarlet King Snakes learned rattle its tail from the rattle snake.

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NGSS.MS-LS4-4

The polar bear is covered in thick white fur and even has a thick, dense, insulated layer of under hair. Because their fur repels oil and water, it does not mat when wet and allow the bear to shake free from water and ice after swimming. These adaptations make the polar bear suitable for which environment?

• rainforest habitat

• tundra habitat

• ocean ground habitat

• desert habitat

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The Artic Fox and Snowshoe hare have white coats that allow them to blend into their snowing environment. What is the purpose of the white color on the animals' fur?

• hibernation

• migration

• camouflage

• mimicry