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Fish use outer fertilization because they are not Mammals , which use inner fertilization . Mammals generally bear live young , with few exeptions . Fish and other cold blooded animals lay eggs which are fertilized outside the body , again with few exeptions .
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What two classes of vertebrate use external fertilisation?
what two classes of vertebrates use external fertilisation
A type of fertilisation fish use in water?
Most fish use external fertilization. But not all, guppies and other livebearers use internal fertilization. Of the external fertilizers, some are broadcast spawners, whereas others are not.
Which animals use external fertilisation?
spiders
Mosquito have internal fertilisation or external fertilisation?
external
What animals have external fertilisation?
Ants, beetles, fish and frogs are the main ones.
What are the 2 kinds of fertilization?
The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
Do frogs use external fertilisation examples?
Yes
Do ants use internal or external fertilisation?
Yes.
If you use external fertilisation do you lay eggs?
yes,sometimes
What type of fertilisation do stick insects have internal or external?
Like most fish, external. The female lays eggs in a nest then the male fertilizes them.
What animals go through external fertilisation?
A toad goes through external fertilisation/fertilization
Does a chicken carry out external fertilisation or internal fertilisation?
internal
