Food Webs Review

According the graph, what trends do you see?

• As the abundance of otters increases, the abundance of sea urchins also increases

• As the abundance of otters increases, the abundance of kelp also increases

• As the abundance of otters decreases, the abundance of sea urchins also decreases

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

In this scenario, otters are considered to be a (a)   species.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

When otters are absent, urchins boom and kelp beds are

• reduced

• increased

• not affected

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Two or more different species occupying the same geographical area and interacting in some way is a _____________.

• ecosystem

• population

• community

• species

Tags

NGSS.MS-LS2-2

An organism that is caught, killed and eaten by a predator is called (a)  

All the individuals of a particular species that live in a specific geographical area is called a _________________.

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

An organism that eats dead or rotting biomass, such as animal flesh or plant material is called a _______________.

• prey

• predator

• scavenger

• herbivore

In the Greater Yellowstone Ecosystem, _________ _________ are a keystone species.

• brown elk

• grey wolves

• black bears

Tags

NGSS.MS-LS2-4

An organism that serves as a symbol for an environmental habitat, movement, campaign, or issue is called a __________ ___________.

• Flagship species

• Indicator species

• Umbrella species

An organism that is very sensitive to changes in its environment.

• Indicator species

• Flagship species

• Umbrella species

Tags

NGSS.MS-LS2-4