| #1 | Which is an example of a decomposer?
A a bird B. grass C. a mushroom D. a snake |
C. a mushroom |
| #2 | Which sentence BEST describes a flood?
A. it does not rain for a long time B. Earth wears down and breaks apart C. a fire makes space for new plant growth D. a large amount of water covers normally dry land |
D. a large amount of water covers normally dry land |
| #3 | Bridget is studying a pond ecosystem near her house. What living things might she expect to find in the pond ecosystem?
A. birds, seaweed fish B. fish, trees, rocks C. frogs, water, insects D. Lilypads, insects, fish |
D. Lilypads, insects, fish |
| #4 |
A. frog and plant B. hawk and cricket C. hawk and plant D. frog and cricket |
B. hawk and circket populations |
| #5 |
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The jackrabbit is a comsumer It eats the berry plant It also provides energy for the bobcat when the bobcat eats it |
| #1 | What is a habitat?
A. all the animals living in the ocean B. the space where a plant or animal lives C. all of one kind of animal or plant in the same area D. living and nonliving things that interact in the same space |
B. the space where a plant or animal lives |
| #2 | Living and nonliving things in an ecosystem interact with each other. Which is an example of this in a schoolyard ecosystem?
A. fish swim in a pond B. grass grows in soil C. birds find shelter in forest trees D. crabs fin shelter under the sand |
B. grass grows in soil |
| #3 |
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B. grass |
| #4 |
|
C. an owl finds shelter in a cactus |
| #5 | The students in Mr. Remsen's class investigated an aquatic ecosystem. They looked at a square of pond water and counted the living and nonliving things inside it. How might their findings for the aquatic ecosystem compare to their findings for a schoolyard ecosystem? |
The kinds of living things will be different. In a pond they might find aquatic insects, tadpoles, or plants that grow in water. In a schoolyard they might find grass, ants, and worms.
The kinds of nonliving things will be different. In pond water the major nonliving thing would be water. In a schoolyard the major nonliving things would be rocks and sticks. |
| #1 | Which of the following describes a producer?
A. an animal that eats only plants B. the process plants use to make food C. a living thing that makes its own food D. a living thing that eats other living things |
C. a living thing that makes its own food |
| #2 | A beaver builds a dam for shelter. Which is a way this affects the beaver's environment?
A. the beaver can add nutrients to soil B. the beaver can make a lake in a river C. the beaver can make food for other animals D. the beaver can introduce a disease to plants |
B. the beaver can make a lake in a river |
| #3 | Which change will most likely have the greatest effect on an ecosystem?
A. a tree is cut down B. a fire burns down a forest C. a piece of trash is thrown into a pond D. there is no rain for a week in a desert |
B. a fire burns down a forest |
| #4 | A bear eats berries and nuts, but also eats fish. Which best describes a bear?
A. herbivore B. carnivore C. omnivore D. producer |
C. omnivore |
| #5 | Plans are being made to clear a large part of a forest to build houses. Tell what resources of the forest people might use to build the houses. What will happen to the forest plants and animals when the houses are built? |
The trees might be used to build houses
The land will be used to build houses on.
Trees and other plants will be destroyed to clear the land.
Trees provide homes and food for some animals, so those animals will have to move
Animals may die because they won't be able to find shelter |
| #1 | Which word describes all the deer living in the same area?
A. a community B. ecosystem C. habitat D. population |
D. population |
| #2 |
|
B. grasshopper |
| #3 | A farmer grows corn in a field. The farmer feeds the corn to his chickens. What do the chickens get from the corn?
A. energy B. illness C. oxygen D. water |
A. energy |
| #4 | Which is not a way people change ecosystems?
A. they plant grss B. they build roads C. they observe animals D. they throw trash in ponds |
C. they observe animals |
| #5 | What are three ways you could help protect a beach habitat? |
clean up litter on the beach
plant grasses to prevent erosion
keep the water free of polution |
| #1 | Which is an example of the process of erosion?
A. it does not rain for a long time B. tiny rocks and sand move in a flowing river C. fire makes space for new plant growth D. a large amount of water covers nromally dry land |
B. tiny rocks and sand move in a flowing river |
| #2 | Javier's report says that living things in oceans need salt water to live. It says that whales, sea turtles, and monkeys are some animals that live in oceans. It says that plants like kelp and seaweed grow there. Which part of Javier's report is incorrect?
A. monkeys do not live in oceans B. Kelp does not grow in oceans C. Whales do not live in oceans D. Oceans are not made of salt water |
A. monkeys do not live in oceans |
| #3 | Which ecosystem gets a lot of rain and is very warm and humid?
A. desert B. grassland C. salt water D. Tropical rainforest |
D. Tropical rainforest |
| #4 | In a food chain there are producers, consumers, and decomposers. What is the role of a producer in a food chain?
A. to eat plants B. to make food C. to eat other living things D. to break down dead things |
B. to make food |
| #5 | Think about the foods you eat. Draw a food chain in which you are the last link. |
sun -> grass -> cows -> you |
| Final Question | |
What are the living and nonliving parts of the ocean ecosystem?
A. Living:
B. Nonliving:
C. Which parts of the ecosystem would be part of a community? How do they effect each other? |
Living: coral reef, dolphins, fish, starfish...etc
Nonliving: sand, rocks, wrecked ships
All living things in the ocean are considered part of the community. Fish eat the kelp, clownfish live in anemone, dolphin eat fish...etc. |
