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Animals

Animals

Author: Nathan Lampson
Description:
This lesson will provide the characteristics of the domain Animalia.
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Tutorial

 

Classified within the domain Eukarya, the kingdom of Animalia is a group of organisms that are considered animals.  In order to be classified as an animal, organisms need to have certain characteristics.  To examine the characteristics of animals, we'll use the lion as an example.

 

Multicellular

Animals are made up of multiple cells (multicellular).  Each organism in the kingdom Animalia is made up of multiple cells.  A lion is considered an animal and has a body made up of millions of cells.  

 

Eukaryote

The cells of animals are very complex.  Animals are composed of eukaryotic cells that contain membrane bound organelles and a nucleus.

 

Heterotroph

When a lion get their nutrients from consuming other organisms and cannot produce their own food (heterotrophs). 

 

No Chloroplasts/No Cell Walls

The tissue types found within animals lack the chloroplast and cell wall structures that are found in other cell types.