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Chapter 18 Review. Ecology. How do decomposers help other organisms in an ecosystem?. A. They break down dead organisms and add nutrients back to the soil that plants use. B . They use sunlight to make their own food that other organisms eat for energy.
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Chapter 18 Review Ecology
How do decomposers help other organisms in an ecosystem? • A. They break down dead organisms and add nutrients back to the soil that plants use. • B. They use sunlight to make their own food that other organisms eat for energy. • C. They help disperse seeds for plant growth. • D. Decomposers do not help other organisms in an ecosystem.
Which food chain correctly describes the flow of energy in an ecosystem? • a. Grass Grasshopper Frog Snake • b. Grasshopper Grass Snake Frog • c. Snake Grass Frog Grasshopper • d. Frog Snake Grasshopper Grass
Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits? • a. Decomposers • b. Secondary Consumers/Carnivores • c. Producers • d. Primary Consumers/Herbivores
In what order do a hawk, grass, snake and rabbit form a food chain in a meadow? • A. Hawk Grass Rabbit Snake • B. Grass Hawk Rabbit Snake • C. Rabbit Grass Hawk Snake • D. Grass Rabbit Snake Hawk
Which of the following lists ONLY consumers? • A. Hawks, lizards, chipmunks, squirrels • B. Flowers, squirrels, rabbits, trees • C. Grass, chipmunks, eagles, fish • D. Mice, squirrels, grass, fish
On the energy pyramid, animals that are carnivores and feed on plant eaters are no lower than/located on…
How much energy is available to the organisms in level three? (Remember that rule!)