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Did you know?
Sound travels ~4× faster in water than in air — about 1,480 m/s vs 343 m/s.
Did you know?
Sound travels ~4× faster in water than in air — about 1,480 m/s vs 343 m/s.
Read the following five statements (a–e) and select the option with all correct statements:(a) Mosses and lichens are the first organisms to colonize a bare rock.(b) Selaginella is a homosporous pteridophyte. (c) Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.(d) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
To solve this problem, we need to analyze each statement and determine which are correct.Let's evaluate each statement:(a) Mosses and lichens are the first organisms to colonize a bare rock.• This statement is correct. Lichens and mosses are pioneer species that can grow on bare rocks, initiating soil formation.(b) Selaginella is a homosporous pteridophyte.• This statement is incorrect. Selaginella is a heterosporous pteridophyte, producing two types of spores: microspores and megaspores.
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