Question

multiple choice 2 points
which gives rise to the male gametophyte in seed plants?
microsporangia
megasporangia
none of the above
antheridium

21 true or false 2 points
conifers are the only extant form of gymnosperm. (extant is the opposite of extinct, so extant means alive today).
true
false

Explanation:

In seed - plants, microsporangia give rise to the male gametophyte. Megasporangia give rise to the female gametophyte. An antheridium is the male sex organ in non - seed plants like bryophytes and pteridophytes. Conifers are not the only extant form of gymnosperms; cycads, ginkgoes, and gnetophytes are also extant gymnosperms.

Answer:

1. A. Microsporangia
2. False