Question

Write the salient features with examples for the following :
(a) pteridophyte
(b) angiosperms
(c) cnidaria
(d) platyhelminthes
(e) mammalia

Answer 1

(a)pteridophytes
•life cycle is heterologous diplohaplontic type
•sporophyte is the dominant plant body while gametophyte is a small simple called prothallus
ex: ferns, selaginella, psilotum
this also includes 4 classes
(b)angiosperms
•these are flowering plants
•most diverse group of land plants
•seed producing plants
ex:there are two types dicots (trees,shrubs..) and monocots..(grasses,palms...)
(c) cnidaria
•Kingdom:animalia
•habitat: aquatic, mostly marine
•symmetry:radially symmetry
ex; hydra, physalia... includes different classes
(d)platyhelminthes
•mostly endoparasites
• moderate cephalization is seen
ex: dugesia, fasciola
(e)mammalia
•mammary glands, hair sweat glands sebaceous glands
•homeothermic
ex:Platypus,Kangaroo, camel, monkey elephant, horse...
HOPE IT HELPS YOU...

Answer 2

cnidaria

•Kingdom:animalia

•habitat: aquatic, mostly marine

•symmetry:radially symmetry

ex; hydra, physalia which includes different classes

(d)platyhelminthes

•mostly endoparasites

• moderate cephalization is seen

ex: dugesia, fasciola

(e)mammalia

•mammary glands, hair sweat glands sebaceous glands

•homeothermic

ex: most of the land animals like the Platypus,Kangaroo, camel, monkey elephant, horse...