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Classifying animals as to the presence of backbone
This document classifies animals based on the presence or absence of a backbone. Animals with backbones, like fish, amphibians, reptiles, and mammals, are called vertebrates. Animals without backbones, such as worms, clams, jellyfish, flies, and spiders, are called invertebrates. It then provides more details about classifying vertebrates like mammals, birds, reptiles, amphibians, and fish based on characteristics such as how they reproduce, breathe, and spend their lives. It concludes by classifying invertebrates into phyla based on distinguishing features.
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Classifying animals as to the presence of backbone
- 1. CLASSIFYING ANIMALS ASTO THE PRESENCE OF BACKBONE
- 2. VERTEBRATES ANIMALS WITH BACKBONESARE CALLED VERTEBRATES. FISHES, AMPHIBIANS, REPTILES, AND MAMMALS ALL HAVE BACKBONES AND THEREFORE CLASSIFIED AS VERTEBRATES
- 3. INVERTEBRATES ANIMALS WITHOUT BACKBONESARE CALLED INVERTEBRATES. WORMS, CLAMS, JELLYFISH, FLIES, AND SPIDERS ARE SOME EXAMPLES OF INVERTEBRATES.
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- 5. MAMMAL MOST MAMMALS DONOT LAY EGGS. THEY GAVE BIRTH TO THEIR YOUNG. THEY FEED THEIR YOUNG WITH MILK PRODUCED IN THE MAMMARY GLANDS. • EXAMPLES ARE DOGS, CATS, COWS, GOATS, PIGS, ELEPHANTS •
- 6. DUCK BILLED PLATYPUSMAMMAL THAT LAYS EGG
- 7. BIRDS BIRDS ARE COVEREDWITH FEATHERS. THEY LAY EGGS THAT HAVE FIRM SHELLS. ALL BIRDS HAVE ONE PAIR OF FEET AND ONE PAIR OF WINGS. EXAMPLES ARE HENS, EAGLE, HAWK, VULTURE, OSTRICH AND KIWI
- 8. REPTILES REPTILES HAVE BODIESTHAT ARE COVERED WITH SCALES OR PLATES. THEY LAYTHEIR EGGS ON LAND. THEY CAN LIVE ON LAND AND ON WATER, CROCODILE AND TURTLES ARE EXAMPLES OF REPTILES.
- 9. AMPHIBIANS AMPHIBIANS SUCH ASFROGS AND SALAMANDERS LIVE A DOUBLE LIFE. THEY LIVE PART OF THEIR LIVES WHILE THEY ARE YOUNG IN WATER. WHEN THEY MATURE, THEY LIVE ON LAND TO SURVIVE. ALL AMPHIBIANS LAY EGGS ON WATER.
- 11. FISH MOST FISH ARECOVERED WITH SCALES. SOME ARE EGG LAYERS; OTHERS ARE LIVE BEARES. THEY SPEND ALL OF THEIR LIVES IN WATER. FISH HAVE GILLS WHICH ARE USED FOR BREATHING.
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- 17. PHYLUM MOLLUSK COMMON NAME DISTINGUISHING CHARACTERISTICS SNAILS, CLAMS SQUIDS SOFTBODIED ANIMALS USUALLY LIVING IN A SHELL OR EXOSKELETONS
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