Name major phyla of Animal kingdom. Write down one character and one example of each of them.
Name major phyla of Animal kingdom. Write down one character and one example of each of them.
(1) Phylum Porifeara - Sessile, sedentary, and marine except one group that lives in fresh water.
These are non-motile animals attached to some solid support.
Example: Sponges
(2) Phylum Coelenterata - Cnidarians or coelenterates are multicellular, diploblastic animals with tissue grade of organisation, A gelatinous layer called mesoglea persists between the ectoderm and endoderm.
Example: Aurelia (jelly-fish)
(3) Phylum Platyhelminthes - Bilaterally symmetrical and dorsoventrally flattened animals witn a soft, leaf-like or ribbon-like thin body.
Example: Taenia Solium (pork tape-worm)
(4) Phylum Nematode - Bilaterally symmetrical, triploblastic, pseudocoelomate and unsegmented animals. Body is worm-like, cylindrical or flattened.
Example: Ascaris (round-worm)
(5) Phylum Annelida - Body triploblastic, bilaterally symmetrical, soft, elongated. vermiform and cylindrical or dorsoventrally flattened, exoskeleton absent; body is covered by a thin cuticle.
Example: Hirudinaria (Indian cattle leech)
(6) Phylum Arthropoda — Body segments are grouped into two regions — cephalothorax (head and thorax together) and abdomen, or three regions - head, thorax and abdomen. Anterior part of body forms a distinct head, bearing sense organs and brain.
Example: Palaemon (prawn)
(7) Phylum Mollusca - Body is soft, bilaterally symmetrical, with little segmentation and without appendages. The size of body varies from a microscopic to a giant form such as Octopus of upto 50 feet.
Example: Octopus (devil fish)
(8) Phylum Echinodermata - Simple animals may be a star like, spherical or elongate with body triploblastic. coelomate, unsegmented and radially symmetrical.
Example: Echinus (sea urchin)
(9) Phylum Chordate — Chordates are characterised by the following three features:
(a) a dorsal hollow, tubular nerve cord;
(b) a pliable rod called notochord that occurs ventral to nerve cord and is replaced by a bone or cartilage to form a vertebral column in vertebrates: and (c) paired gill-slits in the pharynx.
Example: Fishes
(1) Phylum Porifeara - Sessile, sedentary, and marine except one group that lives in fresh water.
These are non-motile animals attached to some solid support.
Example: Sponges
(2) Phylum Coelenterata - Cnidarians or coelenterates are multicellular, diploblastic animals with tissue grade of organisation, A gelatinous layer called mesoglea persists between the ectoderm and endoderm.
Example: Aurelia (jelly-fish)
(3) Phylum Platyhelminthes - Bilaterally symmetrical and dorsoventrally flattened animals witn a soft, leaf-like or ribbon-like thin body.
Example: Taenia Solium (pork tape-worm)
(4) Phylum Nematode - Bilaterally symmetrical, triploblastic, pseudocoelomate and unsegmented animals. Body is worm-like, cylindrical or flattened.
Example: Ascaris (round-worm)
(5) Phylum Annelida - Body triploblastic, bilaterally symmetrical, soft, elongated. vermiform and cylindrical or dorsoventrally flattened, exoskeleton absent; body is covered by a thin cuticle.
Example: Hirudinaria (Indian cattle leech)
(6) Phylum Arthropoda — Body segments are grouped into two regions — cephalothorax (head and thorax together) and abdomen, or three regions - head, thorax and abdomen. Anterior part of body forms a distinct head, bearing sense organs and brain.
Example: Palaemon (prawn)
(7) Phylum Mollusca - Body is soft, bilaterally symmetrical, with little segmentation and without appendages. The size of body varies from a microscopic to a giant form such as Octopus of upto 50 feet.
Example: Octopus (devil fish)
(8) Phylum Echinodermata - Simple animals may be a star like, spherical or elongate with body triploblastic. coelomate, unsegmented and radially symmetrical.
Example: Echinus (sea urchin)
(9) Phylum Chordate — Chordates are characterised by the following three features:
(a) a dorsal hollow, tubular nerve cord;
(b) a pliable rod called notochord that occurs ventral to nerve cord and is replaced by a bone or cartilage to form a vertebral column in vertebrates: and (c) paired gill-slits in the pharynx.
Example: Fishes
