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Animals. Characteristics of Animals Multicellular eukaryotes Multicellular eukaryotes Ability to move to reproduce, obtain food, protection Ability to.

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Presentation on theme: "Animals. Characteristics of Animals Multicellular eukaryotes Multicellular eukaryotes Ability to move to reproduce, obtain food, protection Ability to."— Presentation transcript:

1 Animals

2 Characteristics of Animals Multicellular eukaryotes Multicellular eukaryotes Ability to move to reproduce, obtain food, protection Ability to move to reproduce, obtain food, protection Do NOT have cell walls Do NOT have cell walls Heterotrophs: consume other organisms for energy Heterotrophs: consume other organisms for energy

3 Characteristics of Animals Digestion of food and storage for energy later (ATP) Tissues, organs, organ systems (nerves and muscles unique to animals) Most reproduce sexually

4 Invertebrates: Animals that lack backbones Animals that lack backbones 95% of the animal kingdom 95% of the animal kingdom Examples: sponges, worms, mollusks, arthropods Examples: sponges, worms, mollusks, arthropods Hydras Hydras Hydras

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6 Vertebrates: Animals that have backbones Animals that have backbones All have bilateral symmetry (can be divided into two identical halves) All have bilateral symmetry (can be divided into two identical halves)

7 Examples of Vertebrates: Fish: Fish: Aquatic, have gills Aquatic, have gills 2-chambered heart 2-chambered heart Usually lay eggs Usually lay eggs Pirahna videos: Pirahna videos: Video 1 Video 2 Video 3 Video 1 Video 2 Video 3

8 Jawless Fish: Hafish Clothing? Hagfish Slime River Monsters-Sea Lamprey

9 Examples of Vertebrates: Amphibians: Live in water and on land Moist skin Eggs lack shells so must be laid in moist areas Breathe with lungs or skin Ex: frogs, toads, salamanders

10 Examples of Vertebrates: Examples of Vertebrates: Reptiles: Reptiles: Scaly skin Scaly skin Amniotic egg Amniotic egg Ex: snakes, turtles, crocodiles Ex: snakes, turtles, crocodiles

11 Examples of Vertebrates: Birds: Birds: Feathers Feathers Hollow bones Hollow bones Wings for flight Wings for flight Ex: flamingo, owl, eagle, robin Ex: flamingo, owl, eagle, robin

12 Examples of Vertebrates: Mammals: Hair or fur Milk Bear live young (babies) instead of eggs (exception: marsupials & platypus) marsupials Placental mammals: baby develops in uterus Ex: humans, dog, horse, whale, elephant, bat


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