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10 questions
____________ reproduction requires only one parent organism.
sexual
asexual
external
internal
Most vertebrates and most invertebrates reproduce _______________.
sexually
asexually
internally
externally
Sponges reproduce asexually by breaking off from a parent in a process called _________.
internal
fragmentation
budding
external
_________ may occur either inside or outside the female organism's body.
budding
fertilization
asexual
fragmentation
External fertilization usually occurs in _________ so that the egg and sperm cells do not dry out.
fertilization
internal
water
dry areas
Fertilization that takes place inside the female organism's body is ___________.
internal fertilization
gestation period
external fertilization
asexual reproduction
Which cnidarian body form looks like an open umbrella?
medusa
larva
polyp
offspring
An immature form of an animal that looks different from the adult is called ___________________.
polyp
larva
medusa
cnidarian
the length of time between fertilization and birth is called
incubation period
internal fertilization
external fertilization
gestation period
Which cnidarian body form look like an upright vase?
offspring
polyp
larva
medusa
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