An egg that is enclosed by a shell which effectively isolates it from the outside environment and prevents the loss of moisture (i.e. the egg of a land-dwelling animal).

What is Cleidoic and non-cleidoic egg?

> Cleidoic egg - These eggs contain a solid and hard outermost shell. This hardshell is porous for gases. ... Non-Cleidoic egg - Egg membranes are squashy in these eggs e.g. All viviparous animals and in oviparous animals that put down eggs in water. For example – fish. Hence, the correct answer is option (A).

What are Cleidoic eggs give examples?

Cleidoic eggs are the type of egg which reptiles and birds lay, The reproduction of mammals has progressed from laying cleidoic eggs to live birth. ... These types of eggs are found in insects, reptiles, and birds. Hence, the correct answer is an option (B)-'Reptiles, birds, and insects.