FEATURES OF ORGANISMS

• UNICELLULAR is made up of ONE cell.
• MULTICELLULAR is made up of MANY cells.
• Living Organisms are grouped into five kingdoms.

  1. PROKARYOTES
  2. PROTOCTISTA
  3. ANIMALIA
  4. PLANTAE
  5. FUNGI
• 1. PROKARYOTE

  • Simple cell structure with NO NUCLEUS.
  • Include BACTERIA.
  • UNICELLULAR organisms.
• 2. PROTOCTISTA

  • Complex cell structure with NUCLEUS.
  • Mostly AQUATIC.
  • UNICELLULAR organisms.
  • Have NUCLEUS & MEMBRANE-BOUND structure.
  • *Seaweed -> Multicellular
  • EXP : Paramecium, Amoeba, Sea Lettuce, Euglena
• 3. FUNGI

  • Can be UNICELLULAR or MULTICELLULAR
  • Have NUCLEUS & CELL WALL made of CHITIN
  • Do not have CHLOROPHYLL
  • Some feed on DECAYING matter.
  • Some are parasitic.
  • EXP: Bracket Fungi, Mushrooms, Mould
• 4. Plantae

  • Multicellular organisms.
  • Have NUCLEUS, CELL WALL made of CELLULOSE, LARGE CENTRAL VACUOLE.
  • CONTAIN CHLOROPHYLL TO MAKE FOOD BY PHOTOSYNTHESIS.
  • PLANTAE
  • FERNS
  • FLOWERING PLANTS
  • MONOCOTYLEDONS
  • DICOTYLEDONS
• PLANT KINGDOM

  1. FLOWERING PLANTS / ANGIOSPERMS
  2. FERNS
• 1. FLOWERING PLANTS / ANGIOSPERMS

  • Have ROOTS, STEMS, LEAVES
  • Produce FLOWERS and SEEDS
  • Reproduce by SEEDS
• 2. FERNS

  • Have ROOTS, STEMS, LEAVES
  • Reproduce by SPORES
• MONOCOTYLEDONS

  • ONE COTYLEDON
  • PARALLEL VEINS
  • VASCULAR BUNDLES IN COMPLEX ARRANGEMENT
  • FLORAL PARTS IN MULTIPLES OF THREE
  • FIBROUS ROOT SYSTEM
• DICOTYLEDONS

  • TWO COTYLEDONS
  • BRANCHED VEINS
  • VASCULAR BUNDLES ARRANGED IN RING
  • FLORAL PARTS IN MULTILPES OF FOUR OR FIVE
  • TAPROOT
• ARTHROPODS

  • SEGMENTED BODIES
  • JOINTED LIMBS
  • EXOSKELETON
• ARTHROPODS

  1. ARACHNIDS
  2. CRUSTACEANS
  3. INSECTS
  4. MYRIAPODS
• 1. ARACHNIDS

  • 2 PART BODY
  • NO ANTENNAE
  • 4 PAIRS OF JOINTED LEGS
  • SIMPLE EYES
  • Exp : Spider, Scorpions, Ticks
• 2. CRUSTACEANS

  • MORE THAN 4 PAIRS OF JOINTED LEGS
  • CHALKY EXOSKELETON FORMED FROM CALCIUM
  • MOSTLY SEA CREATURES
  • BREATH THROUGH GILLS
  • 2 PAIRS OF ANTENNAE
  • COMPOUND EYES
  • Exp : Crab, Prawn, Lobster, Shrimp
• 3. INSECTS

  • 3 PART BODY
  • 3 PAIRS OF JOINTED LEGS
  • 2 PAIRS OF WINGS
  • 1 PAIR OF ANTENNAE
  • COMPOUND EYES
  • EXP : Butterfly, Housefly, Mosquito, Moth
• 4. MYRIAPODS

  • Consists of MANY SEGMENTS.
  • EACH SEGMENTS contains at least 1 PAIR OF JOINTED LEGS.
  • 1 PAIR OF ANTENNAE.
  • Have SIMPLE EYES.
  • Exp : Centipede, Millipede.
• VERTEBRATES

  1. FISH
  2. AMPHIBIANS
  3. REPTILES
  4. BIRDS
  5. MAMMALS
• 1. FISH

  • LOOSE, WET SCALES on skin.
  • Lay EGGS WITHOUT SHELLS in WATER.
  • COLD-BLOODED.
  • AQUATIC.
  • Have FINS.
  • EXP : Flounder, Grouper, Carp, Shark
• 2. AMPHIBIANS

  • SMOOTH, MOIST SKIN, without scales
  • ADULTS live on LAND ( have lungs ), LARVAE live in WATER ( have gills)
  • LAY EGGS without SHEELS in WATER
  • COLD-BLOODED
  • FOUR-LEGGED
  • Exp : Frog, Toad, Newt
• 3. REPTILES

  • DRY, FIXED SCALES on SKIN
  • Lay EGGS with RUBBERY SHELLS on LAND.
  • COLD-BLOODED
  • Four-legged
  • EXP : Snake, Crocodile, Turtle, Iguana.
• 5. BIRDS

  • Skin cover in FEATHERS
  • Have 2 LEGS and 2 WINGS
  • Lay EGGS with HARD SHELLS on LAND
  • Have a BEAK
  • ENDOTHERMIC
  • WARM BLOODED
  • EXP : Parrot, Eagle, Wren, Swan
• 4. MAMMALS

  • FUR/HAIR on SKIN
  • Have a PLACENTA, SWEAT GLANDS, RED BLOOD CELL
  • Young feed on MILK from MAMMARY GLANDS
  • External ears (Pinna) visible
  • ENDOTHERMIC
  • WARM BLOODED
  • Have FOUR LIMBS
  • EXP : Horse, Dog, Squirrel, Human