1. Which of the following can be the effect in the life cycle of organisms?
A. Food
B. Sunlight
C. Drought
D. All options

2. Droughts and floods have harm effects on the lives of organisms?
A. Yes
B. No
C. Maybe
D. Sometimes

3. Which of the following is greatly a help in the life cycle of organisms?
A. Global warming
B. Earthquake
C. Flood
D. Habitat

4. Which of the following can help maintain the environmental conditions
needed by organisms to survive?
A. Avoid burning garbage and twigs.
B. Do not disturb the place where animals live.
C. Do not allow construction of high-rise buildings.
D. Cut tress to provide shelter among living organisms.

5. Which of the following is NOT an effect of environmental conditions?
A. Animals are dying
B. Animals lost their habitat
C. Animals have respiratory and digestive disorders
D. Animals have enough food and healthy environment

6. Girls at this stage begin to menstruate and are now capable of giving
birth.
A. Adulthood
B. Adolescence
C. Childhood
D. Birth

7. What skills can a child display between the ages 2-10?
A. The child learns how to walk and talk
B. A child cannot eat alone.
C. Adults can give birth.
D. Boys’ voice change.

8. How many stages of development are present in a human life cycle?
A. 3
B. 2
C. 5
D. 4

9. What is the last stage of human development?
A. Birth
B. Infancy
C. Adulthood
D. Adolescence

10.Which of the following stage of human development is the critical turning point?
A. Infancy
B. Childhood
C. Adolescence
D. Adulthood

11. Why does butterfly lay its eggs on a leaf?
A. The leaf will be the shelter of the young butterfly.
B. The leaf will be the food of the caterpillar.
C. The leaf will become a cocoon.
D. The leaf will protect the young butterfly.

12. The first stage of incomplete metamorphosis is egg. What is the
second stage?
A. adult
B. nymph
C. egg
D. none

13. The third stage in an incomplete metamorphosis is called____.
A. pupa
B. egg
C. adult
D. none

14. How many stages of development are present in an incomplete
metamorphosis?
A. two
B. one
C. three
D. none

15. Which shows the correct order in the cycle of a fly?
A. Egg-maggot-pupa-adult
B. Egg-pupa-maggot-adult
C. adult-pupa-maggot-egg
D. egg-pupa-adult-maggot

Directions: Write TRUE if the statement is correct and FALSE if the statement is incorrect.

16. All organisms go through stages of development.

17. Environmental conditions such as water, temperature, and light affect the development of organisms.

18. Light originating from the sun is NOT essential to all life on earth.

19. Organisms, such as fish, can only exist in a marine environment, and rapidly die when removed from water.

20. Other organisms can survive in some of the driest environments in the world.