WorksheetsInternal and External Fertilization in Animals
Total questions: 25
Worksheet time: 38mins
What is the main purpose of the male reproductive system in animals?
Define internal fertilization. Provide an example of an animal that undergoes internal fertilization.
Name one advantage of internal fertilization over external fertilization.
How does external fertilization differ from internal fertilization?
Why is genetic diversity important in the context of sexual reproduction?
Provide an example of an animal that undergoes external fertilization.
What is the purpose of the female reproductive system in animals?
In which part of the female reproductive system does fertilization typically occur in humans?
Compare the quantity of gametes produced in internal fertilization with external fertilization.
Why do some animals undergo external fertilization, especially in aquatic environments?
Which of the following organs produce sperm?
haploids
ovaries
testes
zygotes
WHich of the following is not a gamete
egg
ovaries
sperm
All of the above are gametes
In animals, eggs are produced in the _?
ova
ovaries
testes
uterus
Fertalization occurs when _?
two gametes unite
female lays eggs
female incubates the egg
any of the above descriptions occur
A cell that results from fertilization is called a _?
gamete
sperm
yolk
zygote
Life is rare.
On this planet
In our universe.
either a or b
neither a nor b
Which types of animals generally produce hundreds or thousands of gametes?
those that reproduce by external fertilization
those that reproduce by internal fertilization
those that undergo metamorphosis
those that incubate their offspring
The zygote of a mammal develops in a special structure called a(n)
egg
ovary
pupa
uterus
When an insect molts repeatedly during its life and each time looks almost the same as it looked before the insect is undergoing _?
complete metamorphosis
compound metamorphosis
incomplete metamorphosis
incubation
Which stage is a resting stage of metamorphosis?
larva
nymph
pupa
tadpole
Incubation is a type of _?
caring for young offspring
communication
metamorphosis
providing nutrients to offspring
Animals that lay shelled eggs and animals that give birth to live young both have internal fertilization.
True
False
Some animals provide no care at all for their offspring
True
False
In shelled eggs, the offspring is nourished by...
mother's milk
placenta
the yolk
Twinkies
In mammals, the offspring is nourished in the female's body by ...
Grub Hub
zygote
yolk
placenta
