Interdependence of Organisms

True or False: In general, the size of the predator population is influenced by the size of the prey population and vice versa

• true

• false

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

True or false: If more food is available the predator population will grow, and as the prey population decreases the predator population decrease.

• true

• false

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The snake is a predator to what prey in this food chain?

• frog

• grass

• grasshopper

• hawk

Tags

NGSS.MS-LS2-4

Cattle Egret lives with Hippo. When Hippo moves about, Cattle Egret eats the insects disturbed by Hippo’s movement in the water. The insects are in the water.

• mutualism

• commensalism

• parasitism

Which organisms in the food web shown to the right are predators that compete for the same prey in this environment?

• Coyotes and rabbits

• White-tailed deer and rabbits

• Leafy weeds and cotton rats

• Bobcats and coyotes

Tags

NGSS.MS-LS2-2

In ecosystems biological (living) influences are called

• biotic factors

• abiotic factors

• predator prey relationships

• niches

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

In a food chain, a plant is known as?

• A consumer

• A producer

• A provider

Tags

NGSS.MS-LS2-3

In a food web, what role do decomposers play?

• A) They produce energy through photosynthesis

• B) They break down dead organisms and recycle nutrients

• C) They are primary consumers

• D) They are top predators

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is an example of mutualism?

• A) A lion hunting a zebra

• B) A bee pollinating a flower

• C) A cat chasing a mouse

• D) A snake eating a frog

What is the primary source of energy for most ecosystems?

• A) The Moon

• B) The Sun

• C) The Earth's core

• D) Ocean tides

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3