Food Chains

Which of the following best describes the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis.

• Recycling nutrients and breaking down dead plants and animals

• Hunting and capturing prey

• Eating all of Victoria's Takis

If there is an increase in the population of herbivores in an ecosystem, what is likely to happen to the population of plants?

• The population of plants will decrease.

• The population of plants will increase.

• The population of plants will remain the same.

• Caleb will be mewing.

What is the role of a rabbit in a food chain?

• Producer

• Primary consumer

• Secondary consumer

• Decomposer

What is the main difference between a primary consumer and a secondary consumer in a food chain?

• Primary consumers eat only plants, while secondary consumers eat only other animals.

• Primary consumers occupy a higher trophic level than secondary consumers.

• Primary consumers are larger in size than secondary consumers.

• Primary consumers produce their own food, while secondary consumers do not.

Which of the following organisms is a predator in a grassland food chain?

• Prairie dog

• Pedro Pedro Pedro

• Bison

• Coyote

What is the primary source of energy for all food chains?

• Sunlight

• Soil

• Water

• Air

Which of the following organisms is an example of an omnivore?

• Deer

• Grasshopper

• Bear

• Hawk

In a forest ecosystem, which organism is most likely to be found at the tertiary level of a food chain?

• Oak tree

• Squirrel

• Red-tailed hawk

• Grasshopper

If there is a decrease in the population of primary consumers in a food chain, what is most likely to happen?

• The population of producers will increase.

• The population of secondary consumers will decrease.

• The population of decomposers will increase.

• The population of predators will decrease.