Front

What is an embryo?

Back

An embryo is an unborn or unhatched baby, which is in the early stages of development.

Front

What is the origin of all living things?

Back

All living things come from a single cell.

Front

Who is a developmental biologist?

Back

A developmental biologist is a scientist who examines and helps to prevent birth defects.

Front

What structure do all embryos have early in development?

Back

All embryos have tails early in their development.

Front

What is comparative anatomy?

Back

Comparative anatomy is the study of the similarities and differences in the anatomy of different species.

Front

What is a homologous structure?

Back

A homologous structure is an anatomical feature that is similar in different species due to shared ancestry.

Front

What is an example of a homologous structure?

Back

The forelimbs of humans, whales, and bats are homologous structures.

Front

What is an analogous structure?

Back

An analogous structure is a feature that serves a similar function in different species but does not share a common ancestry.

Front

What is an example of an analogous structure?

Back

The wings of bats and insects are analogous structures.

Front

What is embryonic development?

Back

Embryonic development is the process by which an embryo forms and develops into a mature organism.