1 point
Fungi used to be classified in the same kingdom as plants. In time,
scientists observed a key characteristic that required reclassification. What
was that characteristic? *

Reclassification of fungi

Explanation:

Fungi were classified under kingdom plantae by the earlier taxonomists due to their similarities. Both of them were grown on the ground and fixed to the ground, they do not move, fungi like plants also produced fruiting bodies.

However, there were many physiological, morphological, genetic, and biochemical features which were unique and different from other kingdoms.

Although, the fungi contain similar features like vacuoles, secondary metabolites, myecelial root-like structures; fungi like plants do not have a complete vascular system.

Hence, the previous classification under plants was reconsidered and fungi were reclassified as a separate kingdom next to the protists and before the plantae kingdoms.

"d.) carbon dioxide and hydrogen sulfide"