Ecosystems Homework Practice Worksheet

Ecosystems Homework Practice

Adult Education STEM Ecosystems Homework Practice Easy 50 Questions 22 Views

Classroom Worksheet

Ecosystems Homework Practice Worksheet

Ecosystems Homework Practice

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Grade: Adult Education

Subject: STEM

Topic: Ecosystems

Time: 20 Minutes

Difficulty: Easy

Questions: 50

Instructions:
Read each question carefully. Answer in complete thoughts when needed. Start with the easier questions and move to the harder ones. Use what you know about ecosystems, living things, and how they depend on each other.

Skills Practiced:

Ecosystems
STEM
Critical Thinking
Problem Solving

1Question

What is an ecosystem?

2Question

Name one living thing found in an ecosystem.

3Question

Name one nonliving thing found in an ecosystem.

4Question

Which is a producer: grass or rabbit?

5Question

Which is a consumer: tree or deer?

6Question

What do plants need from the sun?

7Question

What gas do humans and animals breathe in?

8Question

What gas do plants use to make food?

9Question

What is the main source of energy in most ecosystems?

10Question

What do decomposers do?

11Question

Give one example of a decomposer.

12Question

What is a habitat?

13Question

What is one example of a habitat?

14Question

What does a herbivore eat?

15Question

What does a carnivore eat?

16Question

What does an omnivore eat?

17Question

Is a rabbit a herbivore, carnivore, or omnivore?

18Question

Is a bear a herbivore, carnivore, or omnivore?

19Question

Is a lion a herbivore, carnivore, or omnivore?

20Question

What is a food chain?

21Question

What do arrows in a food chain usually show?

22Question

Why are plants important in a food chain?

23Question

What is a predator?

24Question

What is prey?

25Question

In a simple food chain, what often comes first: producer or consumer?

26Question

What is biodiversity?

27Question

Which ecosystem usually has more water: desert or pond?

28Question

Which ecosystem usually has very little rain: forest or desert?

29Question

What is one way humans can protect ecosystems?

30Question

Why are clean water and clean air important in ecosystems?

31Question

What happens if a habitat is destroyed?

32Question

What is pollution?

33Question

Name one type of pollution.

34Question

How can trash affect an ecosystem?

35Question

What role do bees often play in ecosystems?

36Question

What is pollination?

37Question

What might happen to a food chain if one important species disappears?

38Question

Why do many animals depend on plants even if they do not eat them directly?

39Question

What is the difference between a food chain and a food web?

40Question

Why is a food web more realistic than a single food chain?

41Question

What is an invasive species?

42Question

How can invasive species affect native species?

43Question

What does the word 'balance' mean in an ecosystem?

44Question

Why is a healthy ecosystem important for people?

45Question

What is one sign that an ecosystem may be unhealthy?

46Question

How does weather affect ecosystems?

47Question

Why might a forest have more animal species than a small backyard?

48Question

Describe one relationship between two living things in an ecosystem.

49Question

What is one reason scientists study ecosystems?

50Question

In your own words, explain why every part of an ecosystem matters.

Answer Key

#	Answer
1	An ecosystem is a community of living things and nonliving things that interact in one place.
2	A plant, animal, fungus, or microorganism.
3	Sunlight, water, air, soil, or rocks.
4	Grass.
5	Deer.
6	Light energy.
7	Oxygen.
8	Carbon dioxide.
9	The Sun.
10	They break down dead plants and animals.
11	A fungus, mushroom, or bacteria.
12	The place where a living thing lives.
13	A forest, pond, desert, ocean, or grassland.
14	Plants.
15	Other animals.
16	Both plants and animals.
17	Herbivore.
18	Omnivore.
19	Carnivore.
20	A sequence that shows how energy moves from one living thing to another.
21	The direction energy moves.
22	They make their own food and provide energy for other living things.
23	An animal that hunts and eats another animal.
24	An animal that is hunted and eaten by another animal.
25	Producer.
26	The variety of living things in an area.
27	Pond.
28	Desert.
29	Reduce waste, recycle, conserve water, or protect habitats.
30	Living things need them to survive.
31	The animals and plants living there may lose their home and food source.
32	Harmful waste or substances that damage the environment.
33	Air pollution, water pollution, or land pollution.
34	It can harm animals, plants, and water quality.
35	They help pollinate plants.
36	The transfer of pollen that helps plants make seeds or fruit.
37	Other organisms may lose food or the balance of the ecosystem may change.
38	Plants support the food chain and provide oxygen and habitat.
39	A food chain shows one path of energy flow; a food web shows many connected paths.
40	Most living things eat and are eaten by more than one species.
41	A species that is not native and can harm the ecosystem.
42	They may compete for food, space, or other resources.
43	Living things and their environment are working together in a stable way.
44	It provides food, clean water, air, and other resources.
45	Pollution, fewer plants or animals, or dirty water.
46	It can change which plants and animals can live in an area.
47	A forest often has more food, shelter, and habitat types.
48	A bee gets nectar from a flower, or a fox hunts a rabbit.
49	To understand how living things interact and how to protect the environment.
50	Each part helps support life, and changes in one part can affect the others.