1. Name ____________________________ Date ______________
Chapter Four Review
Directions: Choose the answer that best completes the statement or
answers the question.
1. When plants burn, they can turn to ash. How does the ash left by a fire
affect other plants?
a. It has no effect.
b. It stops the plants from growing.
c. It helps plants grow.
d. It prevents new plants from growing.
2. The population of lemmings changes when the amount of ______________
in their environment changes.
a. habitats
b. resources
c. food chains
d. competition
3. _____________ keeps a person’s heart, lungs, and muscles strong.
a. Sitting
b. Exercise
c. Clean air
d. Sugary food
4. Small trees trying to get the same resources as taller trees is an example
of which of the following?
a. producers
b. consumers
c. interaction
d. competition

2. Name ____________________________ Date ______________
Directions: Trace the flow of energy from beginning to end in the
following food chain: a ferret eats prairie dogs which eat grasses and
other plants.
5.
Directions: Answer the following questions using complete
sentences.
6. Living things compete for resources they need to live. What are the FIVE
resources living things compete for? _________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
7. How might a flood improve an area? _________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
8. Living things interact with each other in different ways. What are the
THREE different ways living things interact? __________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________

3. Name ____________________________ Date ______________
Directions: Choose the answer the best completes the statement or
answers the question.
9. People need food, water, shelter, a clean environment, and _________ to
live.
a. air
b. coconuts
c. waste
d. paper
10. What is transferred through a food chain?
a. animals
b. energy
c. producers
d. consumers
11. What is one way to stop the spread of germs?
a. Never go outside.
b. Always wear a jacket.
c. Wash your hands often.
d. Never go outside when it is cold.
Directions: On the line beside each animal write producer or
consumer.
12. Barnacle ______________________________
13. Prairie Dog ______________________________
14. Palmetto Tree ________________________________
15. Whale ________________________________
16. Purple Loosestrife ______________________________

4. Name ____________________________ Date ______________
producer disease herbivore consumer
germs carnivore prey omnivore
decay competition decomposer predator
Directions: Complete each sentence with a vocabulary word from the
above word bank.
17. A living thing that eats food is a ______________________.
18. ________________ are very small living things or particles;
examples include bacteria and viruses.
19. A ________________________ is a condition in which the
body or a part of the body does not work properly.
20. A _________________________ is a consumer that hunts
for food.
21. To break down or rot is to _________________.
22. A living thing that eats both plants and animals is an
________________________.
23. A ________________________________ is a living thing
that breaks down waste and living things that have died.
24. A consumer that eats only plants is a _________________.
25. ____________________ is an animal that is hunted by
other for food.
26. A living thing that makes its own food is a _____________.
27. When two or more living things need the same resources,
they are in ______________________________.
28. A consumer that eats only animals is a ________________.