Multiple Choice QuestionsFrom evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in
Mosses
Pteridophytes
Gymnosperms
Liverworts
B.
Pteridophytes
In Pteridophyte, megaspore is retained for some times in female gametophyte, however the permanent retention is required for seed formation in Gymnosperms.
That's why Pteridophytes exhibit precursor to seed habit only.
Consider following features
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics
Annelida, Arthropoda and Mollusca
Arthropoda, Mollusca and Chordata
Annelida, Mollusca and Chordata
Annelida, Arthropoda and Chordata
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