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One animal that lays hard shelled eggs is a chicken, and Robin
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∙ 6y ago
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∙ 13y agoUsually aquatic animals lay their eggs externally because the water acts as medium for the sperm to travel in. In humans semen is the medium for sperm to travel in which why fertilization is internal. Also if the amount of young produced is greater than 150 fertilization is usually external.
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∙ 13y agoThey could not fly with full sized chicks in their bodies. Think of a bird with an egg in it's stomach. Now think of it flying. It could neither fit, or fly-the bird would be immobile, without anyway to get food or protect form predators.
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∙ 9y agoFrogs, penguins
Many animals lay eggs. Naturally that means outside of their bodies.
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∙ 12y agoMost of them do but fish such as the seahorse keep the eggs in the males stomach pouch until they hatch.
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∙ 12y agooctopus,spawn and shark
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∙ 11y agoalfactory
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Do fish develop internally or externally?
Most fish eggs develop outside of the body. There are however around 3% of all fish which fertilize internally.
Is koi fish oviparous or viviparous?
Salamanders are all oviparous. All salamander species lay eggs in water.
What reproduces by laying eggs that hatch outside the female's body?
All eggs that are laid hatch outside the body
Do salmon incubate their eggs?
NO salmon dont incubate their eggs, fish dont incubate their eggs at all, they lay them and the male fish swims by the fish and releases the sperm near the eggs and they become fertilized outside of the female fish.
What fishes lay eggs?
Almost all fish lay eggs. Fertilisation takes place outside the mother's body, and the eggs are generally left alone by the adult fish after that.... among this group are salmon, goldfish, cichlids, tuna, and eels. Some other fish retain the eggs inside the mother. The developing eggs are fed from the yolk, and not from the mother as in mammals. The mothers then give birth to live young..... horn sharks and skates. There are some few species which have a set-up such as mammals with the mother directly supplying nutrients to the young.... guppies, angel sharks, and coelacanths.
How do 1male fish and 1 female fish make babies?
First of all the female fish makes eggs inside their body for several weeks. thousands of fish eggs are produce to increase the chance of fertilization. Next she will find a safe place to lay them, such as a gravel bed or somewhere with enough cover. The male fish then seek out these nests of fish eggs. When they find them, they swim over the nest, and fertilize them with their semen. This fertilises the eggs, and immediately the fish eggs start to become fish.
Can a goldfish lay eggs without a male present?
All fish can lay eggs without a male present. The male and female fish do not meet during reproduction. Eggs are fertilized only once they leave the female's body. The male will come later to fertilize them with his sperm after the female fish has laid the eggs and left
How does a fish reproduce?
Many fish reproduce sexually. The male fish will insert a part of his body into the female fish in order to fertilize her eggs. In some cases, the male fish will spread semen on the eggs after they leave the body of the female.
Is a kangaroo oviparous or viviparous?
Koi fish, like all fish, are oviparous because they lay eggs that develop outside of the mother's body.
Can the fish on your sim aquarium have eggs?
It is not possible for the fish on "My Sim Aquarium" to have eggs. All fish must be purchased from the pet store.
What are salmon eggs called?
All the fishes lay eggs. The female fishes spawn eggs during the breeding season and the eggs are competitively fertilized by male fishes. The fertilization is external (takes place outside the body) using water as medium. Most of the eggs are microscopic and hence cannot be visualized. The larval stages released from the egg constitute the zooplankton.
Do fish have all of their eggs at birth?
yes
