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Describe asexual reproduction.
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Describe sexual reproduction.
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What are the two types of reproduction?
Sexual reproduction and asexual reproduction
How do the offspring of asexual reproduction compare to the parent? Why?
They are identical because they have the same DNA
What are the two sex cells called?
Sperm and egg
What is the joining of these two sex cells called?
Fertilization
In sexual reproduction, how does the DNA of the offspring compare to that of the parents?
It is a combination of DNA from both parents, so the offspring is not identical to the parents.
Why is sexual reproduction important for adaptation?
It produces new combinations of characteristics, which increases variation in the population
Is this an example of sexual reproduction or asexual reproduction?
Asexual
How do sperm get from one sponge to another?
They are released into the water and swim to another sponge
In the life cycle of a jellyfish, which body form reproduces sexually?
medusa
In the life cycle of a jellyfish, which body form reproduces asexually?
polyp
What is fertilization?
the joining of a sperm and an egg
Why does external fertilization usually take place in water?
To keep the eggs and sperm from drying out.
What are some organisms that have external fertilization?
Fishes, amphibians, and aquatic invertebrates
fertilization that takes place inside the female organism’s body
internal fertilization
