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By Michelle A. O’Malley League Academy of Communication Arts Forward to Lotus Diagram Directions • This is a Non-Linear Interactive Program. • Please click on the hyperlinks (underlined words that appear in a different color from the rest of the text) or the action buttons to move from one screen to another. Back To Lotus Diagram • Press the ESC Button anytime you would like to stop the presentation program. Back Forward What do you know about vertebrates? FISH What are three functions of a backbone? REPTILES What do you know about What do you know about vertebrates? What two groups of present-day vertebrates are the descendants of reptiles? Vertebrates Explain how ectotherms and endotherms differ in the way they control their body temperature. BIRDS MAMMALS AMPHIBIANS vertebrates? Back to Direction’s Page VERTEBRATES FISH AMPHIBIANS http://www.kidport.com/RefLib/Science /Animals/AnimalIndexV.htm http://www.kidport.com/RefLib/Science /Animals/AnimalIndexV.htm REPTILES http://www.kidport.com/RefLib/Scie nce/Animals/Reptiles.htm BIRDS http://www.kidport.com/RefLib/Sc ience/Animals/Birds.htm MAMMALS http://www.kidport.com/RefLib/Science /Animals/Mammals.htm Standard 6-3.1: Vertebrates • Animals with backbones • Vertebrates share other physical characteristics; for example – – – – – a protective skin covering an inside skeleton muscles blood that circulates through blood vessels lungs (or gills) for breathing. Back To Lotus Diagram • Vertebrates have legs or fins for movement • Vertebrates have a nervous system with brains that process information from their environments through sensory organs, such as ears or tongues • Vertebrates also contain many highly developed systems associated with their specialized organs. • There are thousands of species of vertebrates divided into five groups: fish, amphibians, reptiles, mammals, and birds. Standard 6-3.1: Vertebrates - Fish • Fish have backbones • Fish are cold-blooded (ectothermic) • Fish obtain dissolved oxygen in water through gills • Most fish lay eggs • Fish have scales • Fish have fins • Fish live in the water FISH http://www.kidport.com/RefLib/Science /Animals/AnimalIndexV.htm Back To Lotus Diagram Back To Lotus Diagram Standard 6-3.1: Vertebrates - Amphibians • Amphibians have backbones • Amphibians are cold-blooded (ectothermic) • Amphibians can breathe in water with gills early in life, and breathe on land with lungs as adults • Amphibians go through metamorphosis and lay jelly-like eggs • The major groups of amphibians are frogs, toads, and salamanders • Frogs and salamanders have smooth, moist skin, through which they can breathe; and live part of their life in water and part on land. • Toads have thicker, bumpy skin and live on land. AMPHIBIANS http://www.kidport.com/RefLib/Science /Animals/AnimalIndexV.htm Standard 6-3.1: Vertebrates - Reptiles Back To Lotus Diagram • Reptiles have backbones • Reptiles are cold-blooded (ectothermic) • Reptiles breathe with lungs • Most Reptiles lay eggs; although in some the eggs hatch inside the female • Reptiles have scales or plates REPTILES http://www.kidport.com/RefLib/Scie nce/Animals/Reptiles.htm Standard 6-3.1: Vertebrates - Mammals • Mammals have backbones • Mammals are warm-blooded (endothermic) • Mammals breathe with lungs • Mammals have babies that are born live • Mammals have fur or hair • Mammals produce milk to feed their young Back To Lotus Diagram MAMMALS http://www.kidport.com/RefLi b/Science/Animals/Mammals .htm Standard 6-3.1: Vertebrates - Birds • Birds have backbones • Birds are warm-blooded (endothermic) • Birds Breathe with lungs • Birds Lay eggs • Birds have feathers • Birds have a beak, two wings, and two feet BIRDS http://www.kidport.com/RefLib/Science/Ani mals/Birds.htm Back To Lotus Diagram What are three functions of a backbone? • The backbone supports the body, gives the body flexibility, and protects the spinal cord. Back To Lotus Diagram Explain how ectotherms and endotherms differ in the way they control their body temperature. • The body temperature of ectotherms changes depending on the temperature of environment. Endotherms have bodies that control internal body heat and therefore maintain nearly constant body temperature. Back To Lotus Diagram What two groups of present-day vertebrates are the descendants of reptiles? • Birds and mammals Back To Lotus Diagram Back To Lotus Diagram Works Cited Science Explorer: Animals by Jan Jenner, Ph.D., Prentice-Hall, Inc., Upper Saddle River, NJ 2000. Graphics from Microsoft Office and cited information under each graphic Greenville County Schools Science Curriculum Support Guide