Ohio AIR Review Ecosystems

Ohio AIR Review Ecosystems

Multiple Choice

Which of the following directly use the Sun's energy to produce their own food?

• decomposers
• carnivores
• consumers
• producers

Multiple Choice

An organism that lives by breaking apart dead plants and animals and returning nutrients to the soil is a..

• scavenger
• consumer
• decomposer
• carnivore

Multiple Choice

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

• The squirrel
• The shrew
• The deer
• The rabbit

Multiple Choice

Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 

• parasitism
• commensalism
• mutualism

Multiple Choice

Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 

• parasitism
• commensalism
• mutualism

Multiple Choice

The food web shows some of the organisms in an Ohio nature reserve.

Which statement describes the flow of energy shown in this food web?

• Energy flows directly from hawks to plants

• Energy flows directly from plants to hawks

• Energy flows from plants to squirrels and chipmunks

• Energy flows from hawks to squirrels and chipmunks

Multiple Choice

The table describes the diet of several organisms that are found in a meadow ecosystem.

Which food chain shows the correct feeding relationships among these organisms?

• grasshopper➡ songbird➡ mouse➡toad

• seeds➡toad➡ mouse➡hawk

• grass➡ grasshopper➡ toad➡fox

• mouse➡ songbird➡ grass➡snake

Multiple Choice

Oxpeckers are birds that land on zebras and eat ticks that live on the zebras' skin. Ticks are insects that feed on the blood of animals. They can cause infection and spread disease.

What is the relationship between the oxpecker and the tick?

• mutualism

• parasitism

• predator-prey

Multiple Choice

Oxpeckers are birds that land on zebras and eat ticks that live on the zebras' skin. Ticks are insects that feed on the blood of animals. They can cause infection and spread disease.

What is the relationship between the zebra and the tick?

• mutualism

• parasitism

• predator-prey

Multiple Choice

Oxpeckers are birds that land on zebras and eat ticks that live on the zebras' skin. Ticks are insects that feed on the blood of animals. They can cause infection and spread disease.

What is the relationship between the zebra and the oxpecker?

• mutualism

• parasitism

• predator-prey

Multiple Select

A forest food web is shown.

Disease causes the rabbit population in the food web to decrease.

Which organism(s) in the food web would be the first to increase because of this change?

• owl

• shrub

• mouse

• grass

Multiple Select

The food web shows how blue whales, krill, and copepods get their energy.

Select the two arrows that show energy moving from a producer to a consumer.

• A

• B

• C

• D

Multiple Choice

A common Ohio pond food web is shown.

Which organism in the food web is an omnivore?

• water strider

• aquatic grasses

• turtle

• largemouth bass

• snail