- Heterotrophic, which means consuming food (ingesting food)
- Primarily diploid - A cell/organism containing two sets of chromosomes.
- Sexual reproduction - Two individuals produce an offspring that has genetic characteristics from both parents.
- Embryonic development: Zygote --> blastula --> gastrula
Animals are eukaryotic multicellular organisms composed of cells that don't have walls. Animals are either invertebrates or vertebrates. Invertebrate means without backbone. Examples are: Phyla porifera (sponge), Cnideria, Platyheiminthes, Nematoda, Annelida, Mollusa, Arthopoda, Echinodermata. Vertebrates are animals with backbones.
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