Ecosystems SOL 4.3

1. When two or more blue jays live and interact in the same area, the blue jays are a(n)

• ecosystem

• population

• community

• single organism

Decomposers break down wastes into , which become part of the soil.

• nutrients

• algae

• habitats

• protons

Tags

NGSS.MS-LS2-3

A niche is a(n)

• community of animals

• part of the food web

• organism's special role in the environment.

• kind of habitat

A guide used to identify organisms based on characteristics is

• an atlas

• a ruler

• a cylinder

• a dichotomous key

Several food chains that overlap form a

• a spider web

• a food web

• a community

• niche

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

During its life cycle, an organism's role in the community (niche) may change.

• true

• false

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The interactions and organization within an ecosystem is based on the utilization of energy from the ____.

• moon

• sun

• Earth

• plants

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Organisms that live in the same ecosystem and share the same need for resources must _____ for them

• compete

• share willingly

• interact

• change

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

______ relies on careful observation of patterns, similarities, and differences.

• organisms

• animals

• relationships

• classification

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A ______ is always at the bottom of a food chain.

• consumer

• producer

• decompser

• snail