G.P. Veloo\Science Tutor\019-4057065 & 017-2880796
Diversity of Living Organisms1. Biodiversity (Biological diversity) Variety of living organisms.2. Habitat Natural place where an organism live & obtain all its basic needs.3. Different organisms have different habitat & characteristics to adapt with environment.
Classification of Living Organisms
CHAPTER 3: BIODIVERSITY
HabitatOrganismsSoilEarthworms, ants, microorganismTreetopsBirds, monkeysCavesSnakes, bas, tigersSeasideSea urchins, hermit crabMoist BreadMucorPondsFish, frogs, larvae, water snails, dragon flies, water lilies, water lettuce
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Living organisms
Plants
Flowering
Non-flowering
Monocotyledons
Dicotyledons
Mosses
Ferns
Conifers
Animals
Vertebrates
Invertebrates
Amphibians
Mammals
Birds
Reptiles
Fish
With legs
Without legs
Fungi
Invertebrates
(Organisms without backbones)
With legs
Have segmented body
Have hard skin (exoskeleton)
Have different number of legs
Characteristics
Examples
3 pair of legs (butterflies, grasshoppers, beetles, crickets, ants, cockroaches
4 pair of legs (scorpions, spiders, mites, ticks)
More than 4 pair legs (millipedes, centipedes, shrimps, crabs, lobsters)
Without legs
Worm-like & not wormlike
Worm-like have segmented body
Non worm-like have shells
Characteristics
Worm-like (leeches, earthworm, flatworms, roundworms, tapeworms)
Non worm-like (jellyfish, starfish, snails, sea anemones, cuttlefish)
Examples
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