Ecosystem Test

What is the process that plants use to produce food?

• carbon dioxide

• photosynthesis

• chloroplast

• sunlight

Tags

NGSS.MS-LS1-6

Where can an organism find food and shelter?

• population

• community

• habitat

• competition

Which type of organism makes its own food?

• consumer

• decomposer

• producer

• scavenger

Tags

NGSS.MS-LS1-6

Which kind of diagram shows how much energy passes along as one organism consumes another?

• decomposition

• energy pyramid

• food chain

• food web

Tags

NGSS.MS-LS1-6

Which of these shows the flow of energy in a food chain?

• decomposers → consumers → plants → producers

• sun → consumers → producers → decomposers

• producers → predators → decomposers → consumers

• sun → producers → consumers → decomposers

Tags

NGSS.MS-LS2-3

In a forest food chain, what is the connection between the sun and a tree?

• The sun helps chlorophyll turn oxygen into carbon dioxide.

• The tree shades animals from the sun and gives them nutrients.

• The sun heats up the ground so the tree’s roots can take in water.

• The tree uses the sun’s energy to make food through photosynthesis.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The picture below shows a food chain. The arrows show how energy flows from one living thing to the next. Notice the bacteria at the end of the food chain. Why are bacteria shown at the end of the food chain?

• They are producers, and make food from sunlight.

• They are consumers, and feed off of the dead hawk.

• They are decomposers, and break down the dead hawk.

• They are consumers, and the smallest organisms in this chain.

Tags

NGSS.MS-LS2-3

Where does a deer fit in its food chain?

• as both a first-level and a second-level consumer

• as both consumer and prey

• as both producer and consumer

• as both consumer and scavenger

Tags

NGSS.MS-LS2-3

Which of these is a decomposer?

• bread

• heat

• mold

• water

What is the main source of energy for life on Earth?

• Water

• The Sun

• Plants

• Animals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3