Definition

A very early stage in the development of animals, where the organism is formed as a double-walled sac. This stage is thought to be a common ancestor for many living creatures, according to a theory by Haeckel.

Example

The gastraea is an important concept in understanding the evolution of complex organisms.

Conversation

Have you ever heard of the term gastraea?

Yeah, isn't it related to early stages of animal development?

Exactly! It's fascinating to think we all start as a gastraea at some point.

It really is! Nature has such an interesting way of starting life.

Synonyms & Antonyms

Root Explanation

Gastraea is derived from the Greek word "gastraea" (γαστρή, meaning womb or belly). The term is often used in biological contexts to refer to certain types of organisms that exhibit characteristics related to the body cavity or digestive system. Thus, it relates to the concept of a womb or a central body cavity.

Memory Tip

Think of the Greek word for womb ('gastraea') to remember that this term relates to the body cavity or central area in biological contexts.

Visually Confused Words