HMH Biology

The non living parts of an ecosystem

• abiotic factors

• biotic factors

• oxygen

• soil

Tags

NGSS.MS-LS2-3

Which describes a decomposer?

• an organism that eats only plants

• an organism that makes its own food

• an organism that breaks down dead matter

• an organism that recieves energy from the sun

In the energy pyramid here, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What organism, or organisms, go in the green circle?

• trees, elephants, grasses

• rocks

• all the giraffes

• sunlight

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Are dead organisms considered biotic or abiotic

• biotic because it used to be living

• abiotic because its not living

• biotic because other things eat it

• abiotic because it produces gases

This picture shows a

• community

• ecosystem

• population

• individual

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which is an ABIOTIC interaction a horse has in its ecosystem?

• the horse eats 25 lbs of grass

• the horse swats flies away with its tail

• the horse drinks water

• the horse runs away from mountain lions

What is an example of a population?

• one coyote

• all the coyotes in the ecosystem

• a family of coyotes

• coyotes and rabbits

Tags

NGSS.MS-LS4-4

Nonliving and living things in one area

• ecosystem

• community

• population

• individual

Tags

NGSS.MS-LS2-3

Groups of populations in one area

• ecosystem

• population

• community

• individual