Ecology TEST Review CH 3-4

Which process do plants use to turn sunlight into food energy?

• photosynthesis

• cellular respiration

• transpiration

• evaporation

Which organism is an example of a producer?

• moth

• mushroom

• rose bush

• cheetah

In the food chain below, which is the producer?

grass --> mouse --> snake --> hawk

• grass

• mouse

• snake

• hawk

What is this an example of?

• Food chain

• Food web

• Energy pyramid

• Energy web

What is the original source of energy for organisms in a food chain. 

• plants
• animals
• sunlight
• consumers

Which is the best definition of a food chain?

• a model of consumers providing energy to producers
• a method for growing plants without soil
• a process by which plants make food from energy in sunlight
• a path by which energy flow from one living thing to another

What is an ecosystem?

• all living and nonliving things that interact in an area
• all of the physical characteristics of an area
• all the living things that interact in an area
• all of the nonliving things that interact in an area

A food web from a forest ecosystem is shown. Which of the following organisms would have the greatest impact on the food web if it were removed? 

• oak tree
• hawk
• chipmunk 
• rabbit

Which of the following is a primary consumer in a food chain?

• predators

• herbivores

• carnivores

• omnivores

Why does every food chain begin with a producer?

• animals are all herbivores

• decomposers produce some food for animals

• animals produce their own food

• animals cannot create their own food