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3.1 Study Guide Name_____________________________ Block_______ Date____________ 1. The Animal Kingdom is divided into how many different phyla? 35 2. What are the 2 groups in which we can classify these phyla? Vertebrates and invertebrates 3. What are the 6 characteristics all animals share? Bodies are multi-cellular; heterotrophs; obtain food and oxygen; keep internal conditions in balance (homeostasis); they move; they reproduce 4. What are the 5 characteristics all vertebrates share? Have backbones, muscles, and endoskeleton; blood circulates and have lungs or gills for breathing; protective skin covering; legs, wings, or fins for movement; nervous system with brain that processes information through sensory organs 5. What are the 5 main groups of vertebrates? Mammals, birds, reptiles, amphibians, fish 6. If an animal is cold-blooded, what does that mean about its body temperature? It changes to that of the animal’s environment 7. What does ectothermic mean? Cold blooded 8. Which vertebrates are ectothermic? Reptiles, amphibians, fish 9. Which vertebrates are ectothermic; obtain dissolved oxygen in water through gills; most lay eggs; have scales; have fins; live in water? Fish 10. Which vertebrates are ectothermic; most can breathe in water with gills as young, and breathe on land with lungs as adults; go through metamorphosis; lay jelly-like eggs? Amphibians 11. Which vertebrates are ectothermic; breathe with lungs; most lay eggs; have scales or plates; in some, eggs hatch inside female? Reptiles 12. If an animal is warm-blooded, what does that mean about its body temperature? Its body temp stays constant regardless of the environment 13. What does endothermic mean? Warm blooded 14. Which vertebrates are endothermic? Mammals and birds 15. Which vertebrates are endothermic; breathe with lungs; most have babies born live; have hair or fur; produce milk to feed their young? Mammals 16. Which vertebrates are endothermic; breathe with lungs; lay eggs; have feathers; have a beak, 2 wings, and 2 feet? Birds 17. Frogs, toads, and salamanders are from which vertebrate group? Amphibians 18. What are the 5 main groups of invertebrates (we learned about)? Echinoderms, Arthropods, Mollusks, Segmented worms, and Sponges 19. What are the 2 main characteristics all invertebrates share? Do not have a backbone or internal skeleton; some have external skeletons called exoskeletons 20. Which invertebrates have jointed legs, segmented bodies, and some have wings? Arthropods 21. Which invertebrates are very simple animals that have many pores through which water flows? Sponges 22. Which invertebrates have arms that extend from the middle body outward and tube feet that take in oxygen from the water and spines? Echinoderms 23. Which invertebrates have long tube-like bodies that are divided into segments? They are also the simplest organisms with a true nervous system and blood contained in vessels. Segmented worms 24. Slugs, snails, clams, and octopuses are examples from which invertebrate group? Mollusks 25. Sea stars, brittle stars, sea cucumbers, and sea urchins are examples from which invertebrate group? Echinoderms 26. Earthworms and leeches are examples from which invertebrate group? Segmented worms (annelids) 27. Butterflies, spiders, and crabs are examples from which invertebrate group? Arthropods 28. Chickens and ducks are examples from which vertebrate group? Birds 29. Snakes and turtles are examples from which vertebrate group? Reptiles