AP BIOLOGY

PLANTS

BRYOPHYTES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Selaginella and equisetum are
A
Bryophytes
B
Pteridophytes
C
Thallophytes
D
None of these
Explanation: 

Detailed explanation-1: -Selaginella is a pteridophyte. It is also called spikemoss or club moss. It is the largest and the only living genus of the family Selaginellaceae. It contains more than 800 species distributed all around the world with the highest diversity found in the tropical regions.

Detailed explanation-2: -Equisetum, commonly called horsetail, belongs to the class sphenopsida.

Detailed explanation-3: -Horsetails (Equisetum) are pteridophytes belonging to the class Polypodiopsida. They are mostly found in damp and shady areas. Heterosporous plants produce two kinds of spores-microspores and megaspores. Microspores and megaspores give rise to male and female gametophytes respectively.

Detailed explanation-4: -Final answer: The heterosporous pteridophytes are Selaginella and Salvinia.

There is 1 question to complete.