Interactions and Ecosystems

Choose the best answer: If a population in a food web is disturbed there will be _____________

• Little effect on populations that are below it

• No effect on populations that are below it

• Significant effect on all populations

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

True or false: Competition for resources happens between species of organisms

• True

• False

The role that an organism has in an ecosystem is called

• Niche

• Habitat

• Population

• Community

All the living and nonliving things in an area

• Niche

• Habitat

• Population

• Ecosystem

Tags

NGSS.MS-LS2-3

The top predator in a food web will _______________

• Always be affected by changes in the populations of organisms below it

• Never be affected by changes in the populations of organisms below it

• Sometimes be affected by changes in the populations of organisms below it

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the original source of energy in most ecosystems

• Water

• Carbohydrates

• Sunlught

• Carbon

Tags

NGSS.MS-LS1-6

Organisms of the same species

• Do not compete for resources

• Share resources

• Do compete for resources

A place where an organism lives

• Population

• Habitat

• Community

• Ecosystem

When organisms decay, the nitrogen in their bodies get

• Fixed

• Carbonated

• Returned to the ocean

• Returned to the soil

Tags

NGSS.MS-LS2-3

All of the living and non-living things and how they interact with each other in a shared community.

• ecosystem

• biotic

• abiotic

• essential

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3