Understanding Symbiosis Video

Which of the following is an example of symbiosis?

• A mother bear taking care of her cub

• A married couple who agree to split their rent and share housework duties

• A worm living in a cows intestines

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

What might happen if we didn't have bacteria living in our intestine?

• We might not be able to go to the bathroom

• We might not be able to digest certain foods

• We might get sick less often

• Viruses and parasites might be able to invade our digestive systems

How is commensalism different from mutualism?

• In commensalism, one species benefits while the other is unharmed; in mutualism, both species benefit

• In commensalism, one species is harmed while the other benefits; in mutualism, both species benefit

• In commensalism, neither species is harmed; in mutualism, one species is harmed

• In commensalism, both species benefit; in mutualism, one species is harmed

Tags

NGSS.MS-LS2-2

Which of the following is an example of a parasite?

• A flea

• An Orchid

• An Egyptian plover

• The bacteria that live in human intestines

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

• Amensalism

• Commensalism

• Parasitism

• Mutualism

Tags

NGSS.MS-LS2-2

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

• Amensalism

• Commensalism

• Parasitism

• Mutualism

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

• An Egyptian Plover

• An orchid

• A dog with fleas

• A botlfy

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

• Mutualism

• Commensalism

• Parasitism

• Amensalism

Tags

NGSS.MS-LS2-2

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

Tags

NGSS.MS-LS2-1

What can you infer about parasites from the information in the movie?

• They are evil

• They are extremely small

• They only affect mammals

• Most of them cannot survive without their host organism