: characterized by incomplete cleavage as a result of the presence of a mass of yolk material — compare holoblastic.

What do you mean by Holoblastic and Meroblastic?

Holoblastic cleavage – is a complete cleavage meaning it completely penetrates the egg. Meroblastic cleavage – is incomplete or partial cleavage meaning it does not penetrate the egg completely. ... Because yolk is bulky, it is difficult for the cleavage to take place.

What is Meroblastic cleavage give examples?

Examples. The cleavage of amphibians, mammals, non-vertebrate chordates, echinoderms, most mollusks, annelids, flatworms, and nematodes are the examples of a holoblastic cleavage while the cleavage of birds and reptiles are examples of meroblastic cleavage.