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Biology Chapters 27-36

Biology Chapters 27-36. Kingdom Animalia. Characteristics of Kingdom Animalia. All Animals have these No cell Walls in their cells Animals are HETEROTROPHS Animals are multi-cellular Their cells are EUKAYOTIC (complex, nucleus) 2 2. 2 Major Groups of Animals.

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Biology Chapters 27-36

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  1. Biology Chapters 27-36 Kingdom Animalia

  2. Characteristics of Kingdom Animalia All Animals have these • No cell Walls in their cells • Animals are HETEROTROPHS • Animals are multi-cellular • Their cells are EUKAYOTIC (complex, nucleus)22

  3. 2 Major Groups of Animals • Invertebrates – no Backbones • 90% of all Animal species are invertebrates • Largest group of Inverts are Arthropods • Most diverse group is Insects • Largest Invertebrate is the Giant Squid (2 Tons) • Vertebrates – Backbones • 5 groups ( Fish, Amphibians, Reptiles, Birds, & Mammals) • Largest is a Blue Whale (150 Tons)

  4. Animal Symmetry (shape) • A-symmetry (no regular shape) • Sponges are the only members • Radial Symmetry (has a radius involved) • Have a top and a bottom (no head or tail) • Sea Stars, Urchins, Sand Dollars, Sea Anemone • Bi-Lateral Symmetry • Head – anterior, Tail – posterior, Back – Dorsal, and Belly – Ventral) • 90% or all animals are Bi-Lateral (vertebrates, and most Invertebrates – insects, worms, clams, others)

  5. Cells of Animals Structures found on some cells in animals • Cilia: hair-like structures found on outside • Used by respiratory cells to move waste from lungs • Used by paramecium to move in water • Flagellum: whip-like structures • Used by Sperm Cells to move them for fertilization • Used by Euglena to move in water • Pseudopodium: blob-like extensions of cytoplasm • Used by white blood cells to engulf (eat) bacteria • Used by ameoba to move in water

  6. Survival Adaptations of Animals • Camouflage: used to hide from predators or used to hide when they are hunting • Migration: used to move to areas of better food source (whales, African plains Zebra) • Hibernation: used to survive during times when food is not available (hunker down)

  7. Short Answer Question • Compare Vertebrates and Invertebrates Skeleton, nerve cord, symmetry, examples Invertebrates : exoskeletons, ventral never cord, a-symmetry, radial, and bilateral, arthropods – mollusks – insects – sponges – worms Vertebrates: endoskeletons, dorsal nerve cord, bilateral symmetry, fish – amphibians, reptiles birds – mammals

  8. Short Answer Question • List names of 15 Vertebrate Animals • List names of 15 Invertebrate Animals

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