What makes an organism an animal?

Answer 1

Animals have several characteristics that set them apart from other living things. Animals are eukaryotic and are multicellularwhich separates them from bacteria and most protists. They are heterotrophic,generally digesting food in an internal chamber, which separates them from plants and algae.They are also distinguished from plants, algae, and fungi by lacking rigid cell walls. All animals are motile, if only at certain life stages. In most animals, embryos pass through a blastula stage, which is a characteristic exclusive to animals.

Answer 2

the organism develops into the organ system or skeletal system that forms the animal or living thing in which we are talking about

cells-tissue-organ-organism-etc

if you want to find out read more on the resources you have including the internet ,books ,and etc...

Answer 3

Animals are multicellular, heterotrophic organisms that have the ability to move at some point in their life cycle. They lack cell walls and undergo sexual reproduction.

Answer 4

an animal