Question

description of animalia invertebrates
in the chapter diversity in living organisms

Answer 1

Answer:

Kingdom animalia comprised of animals is the largest Kingdom with more than 1 million species. Members of the Kingdom are characterized by the following features :

• they are Eukaryotic, multicellular and heterotrophic organisms
• Their cells lack cell wall
• Their body organisation maybe cellular, tissue, organ or organ system level.
• Nutrition is holozoic, i.e., by the injection of food.
• Growth stops after attaining maturity.
• They reproduce by sexual reproduction which involves the fusion of male and female gametes.