1.Once the sperm
and
egg cell are united, it is now called
a. an embryo
Ь.an infant
C. an egg cell
D. a sperm cell
2
This is the union of sperm cell and egg
cell
A. instillation
b. fertilization
C. menstruation
d. ovulation

3.Reproduction is important to living organisms because it
A.collects and removes wastes
b. continues the existence of organisms
C.controls the body parts
d. converts food into nutrients
4. What will happen if animals will not reproduce?
A. population will decrease
b. organisms will not survive
C. organisms will not improve
d. organisms will not be able to adapt to their environment
5. Animals reproduce sexually to
A. make new animals
b. get food from its young
C. get rid of unhealthy animals
d. comply obligation to the species
6. Which of the following animals undergo internal fertilization?
A. fish
b. frog
C. mosquito
d. shrimp
7. A kind of reproduction which needs the presence of a male and a female parent
A. sexual reproduction !
b. external fertilization
C. internal fertilization
d. sexual reproduction
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