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What is the taxonomic class in which most species lay amniotic eggs?
Reptilia is the taxonomic class in which most species lay amniotic eggs. These eggs have a membrane that surrounds the developing embryo and provides protection and allows gas exchange. Reptiles, birds, and some mammals are examples of species that lay amniotic eggs.
What are amniotic eggs?
Eggs laid by mammals, birds and reptiles. They have a membrane that contains fluid. There is amniotic fluid around the embryo. It also has a protective shell that provides air to pass through.
Why do some animals not need a placenta?
Not all animals have placentas because they lay eggs instead. Only mammals have placentas by the way. Other animals use eggs and amniotic eggs.
What is a possessive noun for eggs belonging ton that bird?
No, 'eggs' is just the plural for egg. Some example of possessive forms:This bird's eggs are in the nest. (the eggs belong to this bird)The egg's shell is broken. (the shell belongs to the egg, singular)The eggs' shells are broken. (the shells belong to the eggs, plural)
Is a bird egg green color?
It depends what bird it is. Some eggs are white, some are blue and some can be pale green.
What are some characteristics of reptiles?
Some characteristics of reptiles include having scaly skin, being cold-blooded, laying amniotic eggs, having a three-chambered heart, and being predominantly terrestrial. They also typically have claws, scales, and breathe with lungs. Reptiles have adapted to various environments and exhibit a wide range of sizes and physical features.
What are some characteristics of pheasants?
a pheasant is a long tailed bird
What are the common characteristics of the material that protected some eggs?
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Do amphibians lay eggs with a soft shell?
Yes, amphibians eggs have no outer coating, although they have a jelly like casing which can protect it.
Most of the species in the class what lay amniotic eggs?
Amniotic eggs, an evolutionary innovation that helped tetrapods more "advanced" than amphibians adapt to a fully terrestrial lifestyle, are an adaption utilized by most reptiles, with some live-bearing Snakes retaining the eggs inside the body until they hatch, though there are also Boas that are actually viviparous like most mammals. All Birds also lay amniotic eggs, as do Monotremes, a "primitive" order of mammals which consist of the Platypus and Echidna. Hope this helps! :) xxx
Do a mom and dad bird sit on eggs?
Bird eggs will only develop at a temperature close to the body temperature of the parent bird. Thus, a parent bird usually incubates the eggs by sitting on them to keep them warm.
How many eggs can a weaver bird lay?
I am not sure about the amount of eggs.... most likely 4-5 eggs, but some birds lay eggs in nests of other birds when they have hatched their eggs and are done raising their chicks.
