Chapter 13, Problem 8WIO

Summary Introduction

To determine:

The cause that the embryos of many species look similar, but appear different as adults and to study the development that insights into evolutionary relationships.

Concept Introduction:

The egg cell and sperm cell fuses together to form a zygote that divides and form embryo. The embryo develops and forms into an organism that resembles its parents. The embryonic stages of some species resemble each other, but they differ in their adult stages.