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What are the four mammals that lay eggs and feed milk to their young ones?
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How do mammals differ from birds and what adaptation's do they share?
Adaptations that birds and mammals share include the fact that they are both warm blooded, they are both vertebrates, and they both have four chambered hearts. Unlike mammals, birds are covered in feathers and all birds lay eggs. Unlike birds, mammals are covered in hair, produce milk for their young, and nearly all mammals give birth to live young (except a few species that lay eggs).
A distinguishing feature of all mammals?
All mammals feed their young with milk, have hair, have a neocortex region of the brain, and have three middle ear bones. There are other characteristics shared by all mammals, but the above four are (for the most part) that only ones unique to mammals.
What mammal hatches eggs and has young that feed on milk from the mother's pores?
There are two mammals that fit this description: the platypus and the echidna. Both of these animals are monotremes, or egg-laying mammals. they are still classified as mammals even though they lay eggs, because the young feed on mothers' milk. They do not drink milk in the traditional way, via teats, but instead the milk is distributed via the mother's pores or glands (teats are really just specially developed glands).
Are tortoises mammals?
No. Tortoises have shells and don't have hair. They lay eggs and don't nurse their young. Though you can't see by just looking at one, they have three chambered hearts where mammals have four chamgered hearts. They are reptiles.
How many eggs do whales have?
Whales do not lay eggs, they give birth to live young.
Can cat lays eggs?
Cats are mammals. The only mammals which lay eggs are the monotremes. The only surviving examples of monotremes are all indigenous to Australia and New Guinea, although there is evidence that they were once more widespread. Among living mammals they include the platypus and four species of echidnas (or spiny anteaters). There are no feline monotremes. Cats cannot lay eggs.
What are the two notable features that mammals have in common?
Two notable features that mammals have in common are that they all give birth to live young and they all have hair. Another thing that most mammals have in common is that the females make milk to feed their young.
What feeds their young milk and have hair or fur?
Mammals have fur or hair and nurse their young with milk. They also have a four-chambered heart as well as a variety of specialized teeth types.
What non mammals give live birth?
You mean, what mammals lay eggs rather than giving live birth? The only mammals that lay eggs are the five species of monotremes: the platypus, and four species of echidnas.
What kind of animal is a bobcat mammal insect ect.?
Bobcats are mammals. Mammals are (usually, not always) creatures that have multiple joints with four legs or two arms and two legs, hairy, give birth to live babies, and can breast-feed their young.
What are the main differences between a monotreme and other mammals?
Monotremes are the only mammals that lay eggs.Both platypuses and echidnas are monotremes. The name monotreme is derived from two Greek words meaning "one-holed", because they have just one external opening, the cloaca, for both waste elimination and for reproduction. The cloaca leads to the urinary, faecal and reproductive tracks, all of which join internally, and it is the orifice by which the female monotreme lays her eggs. This is different from other mammals, which have two openings - one for reproduction, and one for waste.
Which other animals are mammals?
Animal is a mammal if it meets four conditions. 1. it has a backbone 2. is has hair 3. it has it's young alive birth compared to eggs 4. it is warm blooded.
