Final answer:
Jane found a spore that is likely from the kingdom of fungi. Spores serve as a means for reproduction and dispersal in fungi, and they differ from zygotes which are formed through gamete fusion.
Step-by-step explanation:
The ball-like structure Jane observes is a spore, and she presumably has found a species of fungi. The correct option is b) Spore, fungi.
Spores are a form of reproductive structure found in various organisms, including bacteria, plants, algae, fungi, and protozoa. In the context of fungi, spores are typically haploid cells that can disperse and lead to the formation of new fungal individuals. One common type of spore is the zoospore, which is a flagellated spore capable of movement, found in groups such as green algae, water molds, and certain fungi like chytrids.
A zygospore, on the other hand, is a diploid reproductive cell formed by the fusion of gametes, which can develop into a new individual after undergoing meiosis. This type of spore is typically found in fungi like bread molds. However, for the case presented in the question, since there's no explicit mention of gamete fusion, the term 'spore' fits better than 'zygote', and the most likely kingdom is fungi due to the context given.