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Unformatted text preview: Humans are vertebrates. Invertebrates These are animals without backbones. More than 95% of animals are these. Includes insects, snails, jellyfish, and worms. 1 5 Characteristics of All Animals 1. multicellular makeup- made of many cells- cells are eukaryotic- do not have cell walls 2. reproduction and development- almost reproduce sexually- egg and sperm form embryo- hydras reproduce asexually by budding 3. many specialized parts- organs, tissues, specialized cells 4. movement- used to search for food, shelter, or mates. 5. consuming- animals cannot make their own food- must be a consumer 2...
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- Fall '10
- Biology, sperm form embryo