Symbiosis

Which of the following is an example of symbiosis?

• A mother bear taking care of her cub.

• A married couple who agree to split the rent and share chores.

• A worm living in a cow's intestine.

• One chimp cleaning and grooming the hair of another chimp.

What might happen if we didn't have bacteria living in our intestines.

• We might not be able to go to the bathroom.

• We might not be able to digest certain kinds of foods.

• We might get sick less often.

• Viruses and parasites might be able to invade our digestive system.

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NGSS.MS-LS1-3

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is an example of a parasite

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NGSS.MS-LS2-2

When a honeybee pollinated flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

• Commensalism

• Parasitism

• Amensalism

• Mutualism

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NGSS.MS-LS1-4

NGSS.MS-LS2-2

Remoras are fish that swim alongside sharks, eating scraps that the shark leave behind. This is an example of:

• Parasitism

• Commensalism

• Mutualism

• Amensalism

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NGSS.MS-LS2-2

Which of the following is an example of a host organism?

• A dog with fleas

• an egyptian plover

• an orchid

• a botfly

Clownfish live inside sea anemones. They eat creatures that harm the anemones, while the anemones protect the clownfish from predators. This is an example of:

• Mutualism

• Commensalism

• Parasitism

• Amensalism

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NGSS.MS-LS2-2

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Mistletoe is a plant that grows in the branches of other plants. It grows by taking nutrients and water from these plants. This is an example of:

• Mutualism

• Commensalism

• Parasitism

• Amensalism

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NGSS.MS-LS2-4

Scientifically, what can you infer about parasites?

• They are evil

• They are extremely small

• They only affect mammals

• Most of them cannot survive without a host organism

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NGSS.MS-LS2-4

What is commensalism?

• One species benefits and the other is harmed

• Both species benefits

• One species benefits and the other is unaffected

• One species is eaten and the other gets a meal

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NGSS.MS-LS2-2