A toad goes through external fertilisation/fertilization
what two classes of vertebrates use external fertilisation
External fertilization takes place when the sperm and egg meet outside the body. Animals that use external fertilization as a means of reproduction include salmon, stony coral, and many species of reptiles.
Mosquitoes have **internal fertilisation**. The male mosquito transfers sperm to the female during mating, and the eggs are fertilised **inside the female’s body**. After that, the female lays the fertilised eggs in water, where they hatch and grow. So yeah, fertilisation happens inside—but the development (eggs → larvae → adult) happens outside in water.
Ants, beetles, fish and frogs are the main ones.
The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
Yes
Yes.
yes,sometimes
Some animals that have external fertilization include fish, frogs, sea urchins, and certain aquatic invertebrates like jellyfish and corals.
internal
Yes