Organisms in the Environment

Choose the list that BEST describes what plants and animals need to survive.

• soil, water, sunlight, food, and air
• air, water, sunlight, and a source of food or energy
• food, air, oxygen, space, and water
• environment, habitat, space and sunlight

What is the role of different plants in the food web?

• predators
• consumers
• producers
• decomposers

Cutting down trees will:

• have very little affect on the living things in the ecosystem.
• affect most of the plants and animals in the ecosystem.
• only affect animals that live in trees of the ecosystem.
• only affect animals that live in the ecosystem.

After the trees in the vacant lot were cut down, the people in the neighborhood noticed more squirrels in the trees in their yards. Choose the answer that BEST describes the reason for the increase in the squirrel population.

• The squirrels reproduce rapidly in city neighborhoods.
• The neighbors fed the squirrels after the trees were cut down.
• The squirrels moved to a new location after the trees were cut down.
• The predators moved away when the trees were cut down and the squirrel population increased.

An area where an organism lives.

• niche
• habitat
• abiotic factors
• biotic factors

All living organisms in an environment 

• biotic factors
• parasitism
• habitat
• abiotic factors

Tags

NGSS.MS-LS2-2

Non-living parts of an environment

• biotic factors
• parasitism
• habitat
• abiotic factors

Tags

NGSS.MS-LS2-3

Two or more food chains that share links make a 

• community
• fossil
• food web

A diagram that shows the amount of energy at each level of a food chain is called an: 

• environmental change
• energy pyramid
• ecosystem

The number and variety of species in an area tells you about its: 

• diversity
• population
• ecosystem