Research

http://www.cartage.org.lb/en/themes/sciences/zoology/animalphysiology/anatomy/animalcellstructure/animalcellstructure.htm
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1. What are the characteristics of an animal cell?(kingdom Animalia)

• Eukaryotic
• enclosed by a plasma membrane, containing membrane-bound nucleus and organelle
• animal tissues bound together by a triple helix of protein called collagen
• Centrioles: self replicating organelles (made up of microtubules), help organize cell division

    2.   What are the characteristics that all animals share?

• eukaryotic
• multicellular organisms with ways of moving that help them reproduce, obtain food and protect them selves
• do not have cell walls
• heterotrophic
• depend directly or indirectly on aurotrophs for food

    3.   What are invertebrates?

animal that does not have a backbone

  
   4.   What are vertebrates?

animals with an endoskeleton(internal skeleton that provides support for animals body) and a backbone