Matter & Energy in an Ecosystem

Which of the following is an example of a biotic factor in an ecosystem?

• sunlight
• stream
• rock
• tree

Tags

NGSS.MS-LS2-4

Most producers get energy from the Sun using the process of

• cellular respiration
• chemosynthesis
• photosynthesis
• consumption

Tags

NGSS.MS-LS1-6

Decomposers are important to ecosystems because they

• return vital nutrients to the ecosystem
• capture energy from the Sun
• are producers
• can be omnivores

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

All energy in ecosystems starts here:

• the producers

• the clouds

• the sun

• the consumers

Tags

NGSS.MS-LS1-6

A nonliving part of an ecosystem

• nonlimiting factor

• limiting factor

• biotic factor

• abiotic factor

Tags

NGSS.MS-LS2-3

The overlapping food chains in an ecosystem

• food chain

• food web

• decomposers

• producers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A living part of an ecosystem

• biotic factor

• abiotic factor

• limiting factor

• unlimiting factor

The path that energy and nutrients follow in an ecosystem

• food web

• food chain

• fast food

• food path

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

organisms that eats plants or other animals (animals, humans)

• consumers

• producers

• decomposers

Tags

NGSS.MS-LS2-3