Which of the following involves spores of the same size? heterospory homospory both a and b none of the above

Homospory

Explanation:

The sporophyte of the pteridophytes such as Lycopodium, Phylloglossum, Equisetum and almost all the bryophytes produce morphologically identical spores. The production of identical spores or the spores of same size is called homosporous and the process is called homospory. These identical spores on germination produce gametophytes which reproduce sexually by gametes formation.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

c. live where it’s cold and icy