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Animals

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Basic characteristics of animals with some examples.

Basic characteristics of animals with some examples.


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  • 1. Science 6Animals
    Mrs. Marlene Torres
  • 2. Characteristics of Animals
    Have many cells (are multi-cellular organisms)
    Cannot make their own food
    Most can move
    *some can be sessile(can not move)
    Can live in land or water
  • 3. Animals
    Can be classified in two groups:
  • 4. AnimalsVERTEBRATES (vocabulary)
    Vertebrates = Are animals with a segmented backbone. Include the largest animals on land and water. They are group into 7 classes.
    Endoskeleton = Is an inner (internal) skeleton that protects the internal organs and allow movement.
    Chordate = Animal with a nerve cord running down their backs
    Cartilage = Soft bone-like material that is part of the skeleton.
  • 5. Endoskeleton
    Backbone
    Frog skeleton
    Human skeleton
  • 6.
  • 7. Tetrapod = Another characteristic found in vertebrates is the presence of four limbs or feet.
    Other vertebrates are bipeds, which means that have two feet.
    San Pedrito
    Giraffe
  • 8. Classes of Vertebrates
    Jawless fish – jawless means NO jaw. Have soft skeletons and breath through gills.
    Examples:
    Hagfish - they have a pair of horizontally moving structures with tooth-like projections for pulling off food.
  • 9. Jawless fish
    Examples: Lampreys – have a toothed, funnel-like sucking mouth, with which most species bore into the flesh of other fishes to suck their blood
  • 10. Bony Fish
    They have hard, bony skeletons and breath through gills; have fins
    Examples:
    Tilapia
    Spiny Sea Horse
  • 11. Another Bony fish (the Angler Fish)
  • 12. Cartilaginous Fish
    They have a skeleton made of cartilage
    They have fins
    The skin of sharks and rays is similar to the feel of sand paper (known as dermal teeth)
    Blue shark
  • 13. Amphibian
    Live in water in their first stages of life.
    Live in land when adults.
    Hard bony skeletons
    Breath through gills when young
    Breath through
    lungs as adults
    No scales
    Smooth skin
    Tree frog
  • 14. Amphibians of puertorico
    CoquiChurí
    CoquiPitito
    Coquigrillo
    Coqui de la montaña
    Asian salamander (not found in Puerto Rico)
  • 15. Another cool amphibian
    Axolotl salamander ( best known as the “Ajolote)
    Located in Mexican fresh waters; found in a variety of species.
    This specie maintain its gills through adulthood, remaining aquatic.
  • 16. Birds
    Have hard bony skeleton.
    Live in land
    Have jaw
    Have feathers
    Breath through lungs
    Most of them can fly
  • 17. Birds in Puerto Rico
    Rubythroat hummingbird
    Red-tailed hawk (Guaraguao)
    Cattle Egret (Garza)
    Pitirre Julian Chiví Bien-te-veo
  • 18. Reptiles
    Have hard bony skeleton.
    Can be found in land or water.
    Have hard scales
    Some of them have a shell to protect their soft bodies. (example – turtles)
    Breath through lungs
  • 19. Puerto rican reptiles
    Boa de Puerto Rico
    Iguana de Mona
    Iguana (Gallina de palo)
  • 20. Mammals
    Have bony skeletons
    Breath through lungs
    Have hair or fur
    Can move
    Have jaw
    Includes the largest organisms
    Can be found almost everywhere
    Females can produce milk to feed their young
    Whales are the largest mammals of the ocean
  • 21. Mammal examples
    Mono rhesus (can be found in the southwest region of PR
    Manatee
    Bumblebee bat (world’s smallest mammal)
    African elephant
    Mouse
  • 22. Mammals can fly!!! But only one!!
    BATS
  • 23. Invertebrates
    Are animals without backbone
    They do not have an internal skeleton. They have an EXOSKELETON or external skeleton (shell)
    Many invertebrates have a fluid-filled,
    hydrostatic skeleton, like the jelly fish or worm.
    Others have a hard outer shell, like insects and crustaceans. (hard shell made of protein)
  • 24. Invertebrates
    Includes the groups:
    Flatworms and Roundworms
    Segmented worms
    Cnidarians
    Porifera
    Echinoderms
    Mollusks
    Arthropods
  • 25. Flatworms and Roundworms
    Live in water, in damp soil or inside other animals.
    Have simple structures.
    Flatworms – Have a flat shape; they need to live in water or in the wet environment found inside larger animals
    Examples of Flatworms - Tapeworms
    Roundworms – Have a round shape; have a complete digestive tract
    Examples of round worms - Hookworms, pinworms, whipworms,
  • 26. Flatworms
    Planarian Fluke worm Tapeworm
  • 27. Roundworms
    Enterobiusvermicularis
    (a pinworm)
    Trichuristrichiura
    (a whipworm)
    Hookworm
  • 28. Segmented Worms
    Have bodies divided in compartments or segments
    Can live in damp soil; some can live in water
    Examples: Earthworms and leeches
    Leech
    Earthworm
  • 29. Cnidarians
    Cnidarians have an internal sac for digestion
    They have only one opening, a mouth, through which the animal takes in food and releases waste.
    Tentacles are found around the mouth.
    They have stinging cells that they use to capture their prey (such as fish or other organisms)
    Examples:
    Jellyfish, Corals, Sea anemones and hydras
  • 30. Jellyfish
    Cnidarians
    Sea anemone
    Hydras
  • 31. Cnidarians (Coral polyps)
  • 32. Cnidarians (Corals)
  • 33. Porifera (Sponges)
    Live in water
    Are found attached to the ocean floor
    They feed filtering small food particles from water
    Come in different colors
  • 34. Porifera (Sponges)
  • 35. Echinoderms
    They have spiny skin
    Move very slow
    Live in the ocean
    Examples:
    sea cucumber
    sea star
    sand dollar
    sea urchin
  • 36. Echinoderms
  • 37. Mollusks
    Live in water
    Have soft bodies
    Some of them can be found living in shells, such as snails, and oysters
    Examples:
    squids
    octopus
    slugs (babosas)
  • 38. Mollusk
    Oyster
    Snail
    Squid
    Octopus
  • 39. Arthropods(Most abundant animals on earth)
    Largest group of invertebrates
    Legs in pairs
    Hard exoskeleton
    Can live everywhere, including the inside of other animals
    Their body is divided in segments or appendages
    Consist of three groups:
    Crustaceans, Insects, and Arachnids
  • 40. ARACHNIDS
    Have four pairs of appendages
    Have one or two body sections
    No antennae
    Spiders produce a strong silk fiber to make its webs to capture prey
  • 41. Arachnids
    Golden spider
    Whip spider (el guabá)
    Centipede
    Ticks (female and male)
  • 42. Arthropod (Arachnid)Example: Dust Mite
  • 43. Insects
    Their body consist of three sections
    Head
    Thorax
    Abdomen
    Three pairs of legs
    Have antennae and
    eyes to sense its
    environment
  • 44. Crustaceans
    Are the most abundant animals in the ocean
    Examples:
    Crabs
    Shrimp
    Lobster