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How does anatomy and circulation differ among amniotes?
Amniotes differ from earlier vertebrates in that they can complete their life cycle on land rather than in water. Earlier vertebrates had to have water to lay eggs at the minimum. Amniotes developed eggs with amnios which allowed the eggs to be laid on land or carried by the mother.
Where do the eggs come out of snakes?
The eggs come out of the same orifice that they defecate through, just like chickens.
Why was the evolution of the wateright egg so important in vertebrate evolution?
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.
What are some kinds of evidence that can be used to classify vertebrates?
Vertebrates have an internal skeleton of cartilage or bone, with vertebrae surrounding the dorsal nerve cord.A different Perspective:There are overlaps, but generally:Animal oxigenates using gills, or using lungsHas hollow bones, or solidIs ectothermic, or endothermicHas fins, or no finsRequires moist, water, or air environmentLays eggs in water, or out of waterLays eggs, or gives live birthsNumber of each type of vertebrae
Do germs come from eggs?
Germs themselves do not come from eggs. Germs are microscopic pathogens such as bacteria, viruses, and fungi that can cause infections or diseases. Eggs are a food source rather than a source of germs.
Do birds produce eggs?
Yes. All vertebrates produce eggs.
Cold blooded vertebrate that usually lays eggs?
Some cold blooded vertebrates that usually lay eggs are amphibians such as salamanders and frogs. Also reptiles are cold blood vertebrates that lay eggs such as snakes and alligators.
What are the gametes of vertebrates?
Plato Users: C. Eggs and Sperm.
What feature did the first land vertebrates lack?
A Jaw Eggs that would not dry out
What ectothermic vertebrates with dry scaly skin that lay amniotic eggs?
Reptiles
How does anatomy and circulation differ among amniotes?
Amniotes differ from earlier vertebrates in that they can complete their life cycle on land rather than in water. Earlier vertebrates had to have water to lay eggs at the minimum. Amniotes developed eggs with amnios which allowed the eggs to be laid on land or carried by the mother.
What are animals that lay eggs called?
BirdsReptilesFish (some)Amphibians (most)Monotremes - a class of mammal
Where does the alligator come from?
alligators come from eggs and the eggs come from their mothers'
Do just female platypuses lay eggs?
Yes. Only female platypuses are able to lay eggs. This is the case with all egg-laying vertebrates.
Are birds the only vertebrates that lay eggs?
No. The whole reptile family, and bony fish. Also, its possibly pushing the definition of eggs, but amphibians spawn.
What are 3 characteristics of the class Reptilia?
Cold blooded, skin covered in scales, and they are vertebrates.
What are the simularities of reptiles and birds?
Birds are similar to reptiles. Both are vertebrates which lay eggs and breathe air.
