ecosystem interactions 1

Which example shows a relationship between a living thing and a non-living thing?

• An insect is food for salmon.
• Water carries a rock downstream.
• A tree gets nutrients from the soil.
• A flower makes food for a butterfly.

Tags

NGSS.MS-LS2-3

A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?

• predation
• mutualism
• cooperation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

A community comprising all the biotic and abiotic factors in an area and all the interactions among them

• ecosystem

• population

• species

• Environmental interaction

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A substance required by an organism to thrive.

• resources

• nutrients

• community

• organisms

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A self-contained living thing.

• population

• organism

• species

• herbivores

The biotic factors within an ecosystem are the ___________ parts.

• nonliving

• living

• relationships

• chemical

The abiotic factors are the _________________ factors that affect the ecosystem.

• living

• nonliving

• plant

• animal

Tags

NGSS.MS-LS2-3

Which of the statements is true?

• Energy transfers from sparrows to grasshoppers.
• Energy transfers from eagles to snakes.
• Energy transfers from grasshoppers to mice.
• Energy transfers from snakes to mice.

What is the original source of energy for food webs in a land environment?

• Plants
• Sunlight
• Cricket
• Fox