Ecosystem Test

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 

• They may eat more than one other organism. 

• This organism gets its energy from multiple sources. 

• They have no resources available to them.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.

• The specific ways that mutualism is carried out.

• A single pathway or energy flow between organisms. 

• How carnivores get their food. 

Tags

NGSS.MS-LS2-3

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

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

In a typical food chain, which of the following is usually the primary producer?

• Herbivores

• Carnivores

• Plants

• Decomposers

Tags

NGSS.MS-LS1-6