Fungi of the phylum ascomycota are recognized on the basis of their production of during sexual reproduction.

The correct answer will be- sac like structure called ascus.

Explanation:

Ascomycota is the largest division of the fungi with about 64000 species which reproduces by both the ways of reproduction.

The ascomycetes are named so because of their sac-like microscopic structure called ascus formed during the sexual reproductive phase of the fungi.   A single ascus produces eight ascospores through meiosis under optimal conditions which form the fungi.

Thus, sac-like structure called ascus is the correct.

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation: