Ohio 5th Grade Science Final State Test Review

Why are decomposers necessary in the food chain?

• They provide nutrients for plants.
• They photosynthesize.
• They are food for carnivores.
• They prey on herbivores.

What is it called when a plant makes its own food? 

• producing
• photosynthesis
• herbivore 
• photoproducing

What is a food chain?

• A food chain is a type of decomposer.
• A food chain is a path that shows how energy flows from one living thing to another.
• A food chain is a method of growing food without water.

What does a food web show?

• A food web shows a biosphere.
• A food web shows a combination of food chains and how energy flows through the ecosystem.
• A food web shows the kinds of foods we need to eat daily to stay healthy. 

What needs to occur for the box to move to the right?

• Ling and Sam need to push the box with equal force.
• Sam needs to push the box with more force than Ling.
• Ling needs to push the box with more force than Sam.
• Sam and Ling need to pull on the box with equal force.

Plants use photosynthesis to make

• water

• sunlight

• carbon dioxide

• sugar

All living and nonliving things in an environment and the many ways they interact are called ______

• ecosystem
• community

What does a plant need to make its own food?

• sunlight, water, carbon dioxide
• sunlight, water, soil
• sunlight, water, oxygen
• sunlight, oxygen, carbon dioxide

Hummingbirds feed on the nectar of flowering plants. In this process, they also pollinate the plants.
Which symbiotic relationship does this represent?

• Predator-prey
• Mutualism
• Parasitism
• Commensalism

Cattle egrets are birds who ride on the backs of Rhinos. Rhinos are not affected, and cattle egrets eat the insects that fly out of the grass as the Rhinos graze. What type of relationship do these organisms have?

• Predator-prey
• Commensalism
• Mutualism
• Parasitism