Ecosystems EOG

Two different species of birds live in one particular spruce tree. Which would best allow the two bird species to coexist in the same tree?

• They are genetically unlike.

• They live in different parts of the tree.

Which would best allow a species to survive environmental changes?

• genetic diversity

• low mutation rate

Tags

NGSS.MS-LS4-4

The relationship between ALL the organisms in a community showing who eats whom is called a ___________________________.

• Food Web

• Food Chain

• Abiotic Factors

• Biotic Factors

Tags

NGSS.MS-LS2-3

Where does the energy that travels through an ecosystem originally come from?

• Earth's Core

• Water

• Plants

• The Sun

Tags

NGSS.MS-LS1-6

True or False. In this energy pyramid, the consumers on each level only get about 10 percent of energy that the trophic level before it has stored.

• True

• False

Tags

NGSS.MS-LS2-3

What makes an energy pyramid different than a food web or chain?

• It shows energy flowing from the top of the chain and downward. 

• The tropic levels are the opposite

• It shows the amount of energy in each trophic level

• It shows specific predator/prey relationships

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

_______________ are the living factors in an environment and may include food sources and other populations.

• Community

• Competition

• Biotic factors

• Population

A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic and Abiotc Factors

• Biotic Factors 

• Abiotic Factors 

• None of the Above

Tags

NGSS.MS-LS2-1

What do you call it when two or more species are competing for the same resources?

• Competition

• Predation

• Commensalism

• Mutualism

What do you call it when one species benefits AND the other species benefits?

• predation

• parasitism

• commensalism

• mutualism