Unit 7 Review

Which observation demonstrates an organism interacting with only non-living components of its environment?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-3

In a desert habitat, many animals are nocturnal. They sleep in cool dens, caves, or burrows during the day. They hunt for food at night when the temperatures are cooler.

How do desert animals use non-living components in their habitats to help them survive?

• They are most active at night.

• They sleep during the hottest part of the day.

• They use dens and caves to stay out of the heat.

• They hunt smaller animals that live in the desert.

Tags

NGSS.MS-LS2-3

How does a tree depend on nonliving parts of the environment?

• By dropping leaves in the fall

• By providing shelter for animals

• By using sunlight to make food

• By making shady areas on sunny days

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In an ecosystem, birds depend on insects to survive. If pesticides are used to control the insect population, what will most likely occur?

• The bird population will increase.

• The bird population will decrease.

• The bird population will stay the same.

• The bird population will find shelter.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An organism is missing from the diagram above of a partial food web. What claim can be made about the missing organism based only on the information provided?

• The organism is a type of plant.

• The organism is classified as a decomposer.

• The organism competes with the squirrel for food.

• The organism is an energy source for the oak tree.

Tags

NGSS.MS-LS2-3

Decomposers contribute to the food chains and food webs by -

• assisting in the process of photosynthesis

• transferring energy from producers to consumers

• recycling nutrients back into the ecosystem

• providing energy between primary and secondary consumers

Tags

NGSS.MS-LS2-3

Plants use the Sun's energy to manufacture —

• leaves

• carbon dioxide

• food

• water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the role of the Sun in a food web?

• It provides thermal energy for plants and animals.

• It provides light energy for plants.

• It provides thermal energy for plants.

• It provides light energy for plants and animals.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which organism has the role of decomposer in this ecosystem?

• Oak Tree

• Iguana

• Ladybug

• Earthworm

Tags

NGSS.MS-LS2-3

Which animals in the food web get energy from BOTH producers and consumers?

Select TWO correct answers.

• insect

• bird

• rabbit

• mouse

• hawk

Tags

NGSS.MS-LS2-3