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12y ago

because a crayfish is a fish and a frog is not.

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11y ago

Frog eggs are externally fertilized where as mammal and reptile eggs are fertilized

internally.

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Q: How does the fertilization of frog eggs differ from the fertilization of reptile and mammals egg?
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Related questions

What are mammals differ from birds?

Mammals differ from birds as birds lay eggs, and mammals give live birth.


Can a mammal be a reptile?

No, a reptile cannot be a mammal. Mammals are warmblooded and reptiles are coldblooded. Mammals give birth to live young and reptiles lay eggs. Mammals have hair and reptiles have scales on their skin.


Do Spotted Cuscus fertilize their eggs internally?

Yes. All mammals have internal fertilization.


Is a lizard a reptiles or mammals?

A lizard is a reptile for several reasons. It is cold-blooded, unlike mammals which are warm-blooded. Also, it lays eggs, whereas mammals do not, and it also does not have hair, which mammals do.


In which vertebrates is fertilization exclusively internal?

Fertilization is internal in reptiles, birds, and mammals.


Is a monkeys fertilization internal or external?

Internal because they give birth and not lay eggs. If they lay eggs, they would be like a chicken. ~Savannah B.


What emerges from an egg?

A bird, reptile, fish, amphibian, or invertebrate. Some mammals come from eggs too.


What is fertilization inside the body called?

This is called internal fertilization. It happens in birds and mammals, whereas amphibians emit eggs and sperm to meet in the outside world.


What kind of animal is a chameleon?

No, a Chameleon is a reptile. Some chameleon species give birth to live young,and the term for this is viviparous. However, they are not mammal because they do not produce milk for their young as all other mammals do.


Why do women have eggs but give live birth?

all animals have eggs, but it depends their fertilization development type (which is either internal or external). Humans are mammals, and all mammals give live birth unless it is a monotreme, which lays eggs.


Mammals that lay eggs are termed as?

Actually, not all animals that lay eggs are mammals, and not all mammals give live birth. Some snakes have livebirth(reptile), and the platapus(mammal), lays eggs. But, to answer your question, animal that lay eggs are called reptiles, amphibeans, fish, and birds.


Do mammal babies develop in eggs?

yes of course the baby of mammals develop in eggs inside mother. Here the fertilization will be internal. There are some egg laying mammals also......such as platypus and Pygmy shrew.