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What is the difference between internal and external fertilisation in animals?
Wiki User
∙ 12y ago
Internal fertilization is like animals having sex....the egg is fertilized on the inside. External is when the egg is fertilized on the outside (like when frogs lay eggs and they need to be fertilized before they can hatch).
Wiki User
∙ 12y ago
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List of animals that have external fertilisation?
can toad have external fertilization
What is External structure of animals?
The external structures of animals protect the animal from harm to internal organs. An example of an external structure is the skin and fur on a bear. The skin protects the internal organs, and the fur protects the skin.
How do animals fertilize plants?
Internal fertilization and external fertilization. Internal fertilisation means fertilize the egg inside the female's body. External fertilization is fertilize the egg after the female had lay it out. All mammals including platypus and spiny anteater do internal fertilization.
3 examples of animals that carry out external fertilisation?
Fish: Freshwater Grass Carp, Walleye, Yellow Perch Amphibians: Bullfrog, Salamanders, Tree Frogs
What do you call animals with inside skeletons?
An animal that has no internal skeleton is called an invertebrate. Invertebrates need to have other ways to propel them through the water, or on land. A worm, for example has to squirm or make an "S" shape to move.
What animals go through external fertilisation?
A toad goes through external fertilisation/fertilization
List of animals that have external fertilisation?
can toad have external fertilization
What animals have internal fertilisation?
Badger
Which animals use external fertilisation?
spiders
What animals have external fertilisation?
Ants, beetles, fish and frogs are the main ones.
Animals that undergo external fertilization?
Animals like reptiles (ex. snakes, turtles), birds, sharks, and mammals (ex. humans) undergo internal fertilization.Animals like some fish (ex. salmon), hydra, coral, sea urchins, amphibians (ex. frogs) undergo external fertilization.
What is type of fertilisation?
There are broadly 2 types of fertilisation - 1) Internal fertilisation - This mostly takes place in higher classes of animals like humans and mammals. In this the male transfers its gametes into the female body and the male gamete fuses with the female gamete inside the female body 2) External fertilisation - This is mostly seen in fishes. The male and the female both transfer their gametes into the external environment and the gametes fuse outside
Which 3 animals have internal fertilisation?
human beings , monkeys & elephants (most of the mammals)
How do water animals reproduce?
external fertilisation. some of them reproduce by internal fertilisation. the male ejects sperm out of its reproductive organ. the female ejects its ova through its reproductive organ. both of them meet in the water as they float by. there are chances of many water animals of the same species having the same father as more sperm is given out.
External fertilisatin occurs in frogs and mullet. Whty these animals produce many more eggs than human or mice do?
In humans and mice fertilisation is internal and the chance of fertilisation is more.But in frogs and those which lay eggs externally,the chance of fertilisation is less since they are prone to destruction.Inorder for their survival,they lay more no. of eggs than needed
Which animals have internal fertilisation?
1.monkey 2.human 3.heghog 4.kangaroo
What animals do 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.
