Life in the Earth Systems Review

The symbiotic relationship between a flower and the insect that feeds on it's nectar is an example of

• predation because the insect feeds on the flower

• commensalism because the insect doesn't harm the flower, and the flower doesn't benefit from the relationship

• mutualism because the flower provides the insect with food, and the insect pollinates the flower

• parasitism because the insect lives off of the nectar from the flower

Which are threats of biodiversity? (check all the the correct answers)

• food production

• overharvesting

• habitat loss

• climate change

Tags

NGSS.MS-LS2-5

How would you best describe the human body?

• an open system

• an isolated system

• a closed system

Tags

NGSS.MS-LS1-3

Which of these is NOT a characteristic of all living things?

• they respond to changes in the environment

• they can move

• they are made up of one or more cells

• they can reproduce

Which of the following belongs to the geosphere?

• worm

• rocks

• air pockets

• moisture

Which of the following belongs to the biosphere?

• air pockets

• rocks

• worms

• moisture

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A tapeworm attaches to the inside of an animal. The tapeworm eats the animal’s digested food, depriving its host of the nutrients. This is an example of...

• commensalism

• parasitism

• mutualism

• competition

Which picture shows the greatest amount of biodiversity?

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• 
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Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which of the following is an example of keystone species?

• deer

• rabbit

• wolves

• squirrel

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-2

Which of the following descriptions about the organization of an ecosystem is correct?

• species make up populations, which make up communities

• communities make up species, which make up populations

• populations make up species, which make up communities

• species make up communities, which make up populations