About this document
Key Characteristics of Animals by Ryan Clemons is a document available to read on EtoBox.
This document provides an introduction to animal diversity, describing key characteristics of animals. It notes that animals originated around 700 million years ago, are mostly aquatic and invertebrate, and evolved from single-celled organisms. The document outlines several defining features of animals, including being multicellular, heterotrophic, and having specialized tissues. It also describes animals
- Author
- Ryan Clemons
- Language
- EN