Ecosystems 2 Role of Fungi and Bacteria in Ecosystems

What is the role of the fungi and bacteria in this figure?

• producers

• decomposers

• consumers

• predators

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What does this diagram show?

• one food chain

• an energy cycle

• a food web

• a food pyramid

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Decomposers help in

• spreading decay in the environment.

• recycling nutrients back into the environment.

• controlling large populations in the environment.

• supplying energy directly to consumers in the environment.

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Which of the organisms in the table are carnivores based on how they transfer matter?

• the grizzly bear and the white tailed deer

• the elephant and the white tailed deer

• the red fox and the elephant

• the alligator and the Bengal tiger

Tags

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Which type of organisms get their energy directly from the Sun?

• Producers

• Decomposers

• First-level consumers

• Second-level consumers

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The food chain represents a what-eats-what relationship that transfers energy from one organism to another. Sun → flower → rabbit → [ ? ] → owl What type of animal is most likely to be missing from the food chain?

• herbivore

• carnivore

• producer

• decomposer

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The picture shows a food web in the mountains of Georgia. Which best describes the organisms that would recycle decaying matter back into the mountain ecosystem?

• The mushrooms because they are decomposers and break down matter to return to the ecosystem.

• The Sun because it provides all the energy required for the organisms to return matter to the ecosystem.

• The deer because they are consumers and break down the matter from producers to return to the ecosystem.

• The berries and flowers because they are producers and are broken down for multiple consumers in the ecosystem.

Tags

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What is missing from the following food chain? Sun → green plants → [?] → carnivore

• decomposer

• herbivore

• producer

• parasite

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Which is an example of a decomposer?

• earthworm

• jellyfish

• pine tree

• rattlesnake

A food chain is shown below. Which organisms are consumers?

• scorpion and bacteria

• grass and grasshopper

• grasshopper, scorpion, and kit fox

• grasshopper, scorpion, and bacteria

Tags

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