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Do the fertilized eggs of placental mammals have shells?
No, the fertilized eggs in mammals are always without shell and so in the case of placental mammals.
Where are koala eggs fertilized?
Koalas do not have eggs. They are mammals, so they give birth to live young, and do not lay eggs. Fertilisation occurs internally, in the fallopian tubes. This is like what happens in other mammals, including humans.
Is an elephant born from an egg?
Elephants are mammals, which means they are born live from eggs that were fertilized internally. The only mammalian exception is the Platypus, which has eggs.
What is the difference between fertilized and embryonated eggs?
Fertilized eggs are eggs that have been fertilized by sperm, while embryonated eggs are fertilized eggs that have developed into embryos. In embryonated eggs, the embryo has started to grow and develop, while fertilized eggs are simply eggs that have been successfully fertilized.
Do animals lay eggs or have live young?
They give birth to live baby elephants, as they are mammals.
What do fish do in labor?
Fish do not experience labor in the same way that mammals do. Fish reproduce by laying eggs, which are often fertilized externally. The female fish releases her eggs into the water, where they are then fertilized by the male fish.
What do fertilized eggs have to do with periods?
If you have fertilized eggs you will not have periods, you are pregnant! not much
Do fertilized eggs have cholesterol?
Both fertilized and unfertilized eggs have cholesterol.
What bird is a mammal that lays eggs?
There is no such thing as a bird that is a mammal. Mammals are one classification, and birds are another. All birds lay eggs. Most mammals do not lay eggs. The only exceptions are the monotremes, which include just the platypus and the echidna.
Does fish get pregnant?
Most fish do not get pregnant in the sense of that of mammals, like humans. They produce eggs externally and then the males fertilize the eggs. Some types, such as sharks, do get fertilized internally.
Are the chickens eggs fertilized internally or externally?
yes the eggs are fertilized internally
How does the fertilization of frog eggs differ from the fertilization of reptile and mammals egg?
The frog eggs are found in the water cockroach eggs are found above ground near garbage or mold. Frog eggs are jelly coated.Cockroach eggs are hard brown or black in a some what hard and soft shell.
