What are animals? -- The building blocks of life -- Anatomy of an animal cell -- Homeostasis -- Specialized cells -- Comparing animal and plant cells -- Animal adaptations -- Making new cells -- Animal genetics -- Issues and oddities -- Studying animal cells -- Careers -- Activity -- Quiz -- Scientific terms.
Summary:
Did you know that animals make up at least 75 percent of all species on Earth? Animals are multicellular organisms that must eat other organisms to survive. Learn more in Animal Cells, one of the titles in the Nature of Life series.
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