Ecosystems, 5-LS2-1

A(n) __________ includes all living and non-living things in an environment.

• population

• niche

• abitotic

• ecosystem

Tags

NGSS.MS-LS2-3

Which group would fungi, bacteria, and termites belong to?

• decomposers

• producers

• herbivores

• omnivores

Tags

NGSS.MS-LS2-2

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.

• There would be less corn due to the mice eating it.

• The habitat would get overpopulated because the mice would eat too much.

• The ecosystem would be balanced.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Examples of how humans negatively affect local ecosystems are

• Building dams, deforestation (cutting down trees), building roads and structures, and salting roads.

• Creating laws to prohibit fishing from local streams.

• Planting trees and other plants to attract native species.

• Removing non-native species from the environment.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How does energy enter an ecosystem? 

• sunlight
• soil 
• animals 
• invasive species 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A lion, captures and eats other animals. What is he considered? 

• prey
• predator
• producer 
• healthy 

Tags

NGSS.MS-LS2-4

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The food of almost any kind of animal can be traced back to plants

• TRUE

• FALSE

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Newly introduced species can damage the balance of an ecosystem.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4