Ecosystems
Food Webs
Vocabulary
Food Chains
Grab Bag
100

Why are producers important in an ecosystem?

What is they produce food for consumers?

100
Plants are considered producers be cause they can
What is make their own food using sunlight?
100
Different populations that depend on one another to survive create a_________.
What is Community?
100
What is the role of people in a food chain?
What is a consumer?
100
Solar energy is an example of a _______
What is a renewable resource?
200

Raccoons eat mice, insects, fruit, and plants. What is a raccoon?

What is an omnivore?

200
What is the main source of energy in all food webs?
What is the sun?
200
Materials that breakdown quickly in the environment are considered to be ____________.
What is biodegradable?
200
In a grassland food chain, grasshoppers eat grass and meerkats eat grasshoppers. What is the main role of the meerkat in this food chain?
What is to obtain energy from grasshoppers (consume)?
200
Turning off the light is a great way to _______ energy.
What is conserve?
300

Earthworms live in soil and eat rotting leaves and the remains of dead insects. Waste from the earthworm add nutrients to the soil. Earthworms are a food source for some birds. What is the niche of an earthworm?

The niche of the earthworm is to use remains of insects found in the soil as food.

300
Energy is transferred between organisms. When an organism dies, what happens to he energy stored in its body?
Fungi and bacteria (decomposers) use it for food. Some of the energy is returned to the soil.
300
Which of the following is a carnivore? a) Chipmunk b) Mouse c) Snake d) Rabbit
What is C) Snake?
300
In a swamp, archer fish live among the mangrove tree roots. In or near the water, heron feed on fish, frogs, and insects. What term describes each group of living things?
What is a population?
300
If you are concerned about pollution, what is one way you can help reduce pollution in your town?
What is reduce, reuse, recycle?
400
There are a group of elephants that live in the savanna. What word can you use to describe this group of elephants?
What is population?
400
In a food web, a caterpillar eats vegetables. A beetle eats the caterpillar. If the beetle population decreases, what would happen to the vegetables population?
The amount of vegetables would decrease. The amount of caterpillars would increase and since they need more food, the amount of vegetables would decrease.
400
Food chains have three different types of consumers. How can you describe an herbivore?
An animal that eats only plants
400
A food chain has an oak tree that produces acorns, a mouse, a snake, and hawk. Explain how energy flows through this food chain. Identify each organism as producer or a consumer. And give each animal a role as a herbivore, carnivore, or omnivore.
Energy flows from the tree to the mouse when it eats the acorns to the snake when it eats the mouse, to the hawk when it eats the snake. The tree is a producer. The mouse is a consumer because it eats the acorns and a herbivore because i t only eats plants. The snake and hawk are both carnivores and consumers.
400
Trees are a natural resource. What is one way people use trees?
What is for building material?
500
What are the nonliving parts important to all ecosystems?
Air, water, soil, sunlight, and temperature.
500
Water bugs, fish, grass, and herons live in an ecosystem. How does energy move through this food web?
It starts at the sun to the grass to the water bugs to the fish to the heron.
500
Does a piece of paper come from a renewable resource or a nonrenewable resource?
Paper comes from trees. Trees are a renewable resource because I can plant more trees to produce more paper.
500
Explain the relationship among herbivores, carnivores, and omnivores.
Herbivores eat producers. Carnivores eat herbivores, omnivores and other carnivores. Omnivores eat herbivores, carnivores, and other omnivores.
500
Are blue jays that live in different parts of the country part of the same population? Explain.
No, because a population is a group of the same type of animal or plant in the same ecosystem. Blue jays living around the country are in different ecosystems, so they are part of different populations.
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