5thGrade Science Mastery Check #8 (Spring) Summary Sheet

1. Raccoons living in cities have learned to open lids of garbage cans. This is an example of an animal

A adapting to its environment.

B inheriting the ability to change its diet.

C being tamed by humans.

D becoming a plant eater.

2. All living things use energy. This is why living things must eat to continue living. Which of the following demonstrates a way in which a living thing might use its energy?

A. to move

B. to grow

C. to respond to stimuli

D. all of the above

3. Which of the following are requirements for the survival of an organism?

I. / ingestion of materials
II. / growth
III. / release of wastes
IV. / responses to environmental change
IV. / intake and release of energy
  1. I, II, III, IV, and V
  2. II and III only
  3. II and V only
  4. I, II, III and V only

4. Some animals, such as humans, can live for a long time—up to about 120 years. Others, such as some insects, live for only a few days.
This shows that animals can have very different ______.

A. exchange of gases

B. life spans

C. use of water

D. reproduction

5. There are several processes that are necessary for the survival of every species of living things. One process, which creates offspring of the living organism, is called ______.

  1. use of water
  2. elimination of waste
  3. reproduction
  4. exchange of gases

6. Biotic factors are living parts of an ecosystem. An example of a biotic factor is______.

  1. bacteria growing on bread
  2. a trout swimming in a river
  3. moss growing in a tree
  4. all of the above

7. An ecosystem can support only a certain number of the same type of organisms. This is because the resources within the ecosystem are limited.
What is the name for the approximate population size that an ecosystem can continue to support with the resources available?

  1. food web
  2. carrying capacity
  3. terrarium
  4. habitat

8.. The ultimate source of energy for almost all living organisms is

  1. animals.
  2. bacteria.
  3. the sun
  4. plants

9.. Abiotic factors in an ecosystem are the

  1. nonliving things such as air, water, and sunlight
  2. plants and other organisms that make their own food.
  3. animals that hunt other animals for food.
  4. organisms that break down dead plants and animals

10. Biotic factors in an ecosystem are the

  1. plants and other organisms that make their own food
  2. animals that hunt other animals for food.
  3. organisms that break down dead plants and animals.
  4. All of the above

11. Jordan builds a terrarium. But, the soil he uses does not have many nutrients. How could this affect life in the terrarium?

  1. Some plants and animals may die.
  2. The nutrients in the soil do not affect anything else.
  3. The plants will die, but the animals will not be affected.
  4. The animals will die, but the plants will not be affected.

The pictures below show a rainforest food chain.

12. If some of the trees are cut down and taken away, how would the number of termites change?

  1. It would go up.
  2. It would not change.
  3. It would drop to zero.
  4. It would go down.

13. If more kinkajous moved into the community, how would the number of jaguars change?

  1. It would go up.
  2. It would go down.
  3. It would not change.
  4. It would drop to zero.

14. Which of the following is true?

  1. Soil is not an important part of an ecosystem.
  2. Soil plays an important role in many ecosystems.
  3. Soil’s only role is to hold plants in place.
  4. Soil’s only role is to absorb water.

15. Which shows correctly how energy cycles in an ecosystem?

  1. Consumers Sun Producers Decomposers
  2. Decomposers Sun Consumers Producers
  3. Producers Decomposers Consumers Sun
  4. Sun Producers Consumers Decomposers

16. Producers are organisms that use light energy from the Sun to make food. Which of the following is an example of a producer?

  1. deer
  2. grass
  3. wolf
  4. mushroom

17. A food web is shown in the picture above. Which of the following would most likely happen if there was a drought and the grass did not get enough water?

  1. The grass would die which would cause the number of mice, rabbits, and foxes to go down.
  2. The rabbits would start eating the foxes which would cause the number of foxes to go up.
  3. The number of rabbits would go up which would cause the number of mice to go down.
  4. The grass would die which would cause the number of foxes to go up.

18. All of the individuals in a species that exist in the same place and at the same time are called______.

A. a gang

B. an ecosystem

C. a population

D. an organism