Why do reptile eggs survive in dry places?
Such eggs wouldn’t survive the dry conditions found on land. Instead, reptiles lay eggs covered in a thick, leathery coating or hard calcium shells after using internal fertilization to create viable eggs.
What might happen to a reptile egg if part of its shell were removed?
What might happen to a reptile egg if part of its shell were removed? It would be easy pey and would not live very long. What are the 3 major groups of reptiles? Lizards,turtles, and snakes.
How do you know if a reptile egg is bad?
You can distinguish viable reptile eggs from infertile reptile eggs by candling them, at least in species that don’t go into a resting period (diapause) after laying. Monitor lizard eggs generally start developing quickly, absorbing moisture from the substrate, exchanging gases and growing.
Why did Reptiles come up with the eggshell?
F emales of all vertebrates produce eggs, but the reptiles “invented” the eggshell — a device that could keep the egg from drying out and allow reproduction away from water (or, at least, from extremely moist environments).
Why do birds lay eggs in drier environments than reptiles?
Birds can lay their eggs in even drier environments than reptiles, because when the fatty yolk is broken down to provide energy for the developing embryo, water is produced as a by-product. Reptile eggs primarily use protein as a source of energy and do not produce as much “metabolic water.”
How are eggs related to the evolution of life?
Eggs and Their Evolution. Females of all vertebrates produce eggs, but the reptiles invented the eggshell — a device that could keep the egg from drying out and allow reproduction away from water (or, at least, from extremely moist environments).
Which is mammal provides suitable environment for developing embryo?
With the exception of the platypus and echidna, mammals provide the developing embryo with a suitable environment within the mother’s womb.