Food Webs STAAR

The partial food web shown below is found in an aquatic environment. This type of environment has many organisms in the same trophic levels. Which two types of organisms in this aquatic food web have a producer-consumer relationship?

• microscopic algae and white suckers

• small invertebrates and amphipods

• phytoplankton and mummichogs

• amphipods and channel catfish

Tags

NGSS.MS-LS2-3

How many predators shown in this food web are omnivores?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-2

Which of these correctly describes a relationship between organisms in the soil food web?

• protozoa get nutrients from small arthropods

• mammals are predators of birds

• nematodes prey on arthropods

• bacteria get nutrients from organic matter

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In the aquatic food web shown in the picture, which two organisms have a predator-prey relationship?

• shad and sturgeons

• sturgeons and blue crabs

• blue crabs and rangia clams

• copepods and amphipods

Tags

NGSS.MS-LS2-4

How many organisms in this food web eat only producers?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-3

A chart lists organisms in five different categories living near the Texas Gulf Coast.

Based on the chart, which food chain best models a flow of energy in this ecosystem.

• 
• 
• 
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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The African savanna is a grassland scattered with shrubs and small trees. Some of the organisms that live in the savanna are shown.

Which two types of organisms have a producer-consumer relationship in this African savanna?

• zebras and hyenas

• hyenas and cheetahs

• trees and elephants

• fungi and dung beetles

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which sentence best describes how energy flows through this pyramid?

• Energy is transferred down each level of the energy pyramid.

• The energy lost at each level is consumed by organisms in the top level.

• Energy is transferred from organisms in one level to those in the level above.

• The organisms at the bottom level provide energy directly to organisms in all the other levels.

Tags

NGSS.MS-LS2-3

What role to bobcats play in a forest food web?

• Bobcats break down dead plants and animals and return nutrients to the soil

• Bobcats are consumers of marmots and grouses

• Bobcats produce their own energy

• Bobcats are predators of grasses and berries

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A partial rain forest food web is shown. How many types of organisms in this food web obtain energy directly from producers?

• One

• Two

• Three

• Four

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3