Amniot Eggs
Amniot eggs are complex eggs made by air breathing animals such as reptiles, birds, and mammals.
Cormorant: rough and chalky bird eggs
Tinamou: shinny bird eggs
Duck Eggs: oily and waterproof bird eggs
Cassowary: heavily pitted bird eggs
Fish & Amphibian Eggs
Fish eggs are layed under water and fertilized externally. Amphibian eggs are also layed underwater, but are fertilized internally.
Embryos
Embryos are the eggs that most mammals. once fertilized the zygote goes through blastula, gastrula, and organogenesis while inside of the blasomeres.
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The egg yolk is high in fat, the egg white has no fat.
There are many types of egg laying animals. Pictures of these animals can be found in an image search from a search engine.
Lampbrush chromosomes in egg cells of vertebrates present many loops for mRNA synthesis.
The development of an amniotic egg and internal fertilization allowed vertebrates to reproduce away from water.
the vertebrates are taken by the mother egg where they will hatch.
Birds, amphibians, fish and reptiles all lay eggs. Monotreme mammals (the platypus and echidnae) also do this.
reptiles
The evolution of the watertight egg allowed vertebrates to reproduce on land, breaking their dependence on water for reproduction. This adaptation enabled vertebrates to exploit terrestrial habitats and diversified their evolutionary opportunities.
There are many different types of eggs, each having a different size and weight. The amount of density an egg has varies from one egg to another. The density of the egg will not change no matter what state it is in.
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They are warmblooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings.
chinck,duak,bird,and goos