Chapter 25.4, Problem 2MI

Summary Introduction

To define:

The term protostome.

Introduction:

The fate of the blastopore has traditionally been utilized as the characterizing between protostomes and deuterostomes.

Explanation of Solution

Any of a significant group of creatures characterized by its undeveloped turn of events, where the primary opening in an embryo turns into the mouth is known as protostome. At this phase of development, the later specialization of any embryonic cell has just been resolved or determined.They include the mollusks, annelids, and arthropods.