Anmol Sharma is teaching live on Unacademy Plus
Class 11th 04. ANIMAL KINGDOM NEET/AIIMS ANMOL SHARMA
WHAT TO STUDY? Basis of Classification Levels of Organisation . Symmetry .Diploblastic and Triploblastic Organisation (Germ Layer) . Coelom Segmentation Notochord . Classification of Animals . Phylum Porifera Phylum Colenterata . Phylum Ctenophora . Phylum Platyhelminthes .Phylum Aschelminthes Phylum Annelida Phylum Arthropoda . Phylum Mollusca Phylum Echinodermata Phylum Hemichordata . Phylum Chordata
* Class Chonarichythyes * Class Amphibia . Class Aves Class Cyclostomata Class Osteichthyes Class Reptilia . Class Mammalia Key Point of Animal Kingdom
Phylum - Ctenophora Sea walnuts or Comb jellies Habitat - Exclusively marine Symmetry - radially symmetrical. Level of organization - tissue level of organization and diploblastic. Special organ - eight external rows of ciliated comb plates, which help in locomotion. .
Digestion - both extracellular and intracellular. Special property - Bioluminescence (the property of a living organism to emit light) . Reproduction - Bisexual animals (Hermaphrodites) Only sexual reproduction. Fertilisation-external Development - indirect development. Examples: Pleurobrachia and Ctenoplana.
Phylum - Platyhelminthes Body shape - They have dorso-ventrally flattened body, hence are called flatworms Habitat - Mostly endoparasites found in animals Symmetry - bilaterally symmetrical. Body organization - organ level of organisation and triploblastic Body cavity - Absent, acoelomates. pecial structures - Hooks and suckers are present in the parasitic forms for support and absorption. Some of them absorb nutrients from the host directly through their body surface.
Excretory cells - flame cells help in osmoregulation and excretion . Reproduction - Bisexual animals (Hermaphrodites). Fertilisation - Internal. Development - Indirect through many larval stages. Some members like Planaria possess high regeneration capacity.(NEET/AIPMT) Examples: Taenia (Tapeworm), Fasciola (Liver fluke), Planaria