Which type of prezygotic isolating mechanisms occurs when reproduction is prevented because species mate at different times of the day, seasons, or year?

Temporal isolation

Explanation:

The type of prezygotic isolation mechanism would be temporal isolation.

Prezygotic isolation mechanisms involve the processes that prevent the fusion of gametes from biologically unrelated species. There are different prezygotic isolation mechanisms, including:

Temporal: activeness of species during different periods of the day to prevent mating.Mechanical: incompatibility of reproductive organs, thus making mating impossible.Behavioral: organisms chose individuals that of the same species with them.Ecological: organisms mate in specific habitats, thus eliminating the probability of meeting individuals of different ecological preferences.

Fossil found in strata reveal that unused body part decrease in size

The diaphragm is what i think ur talking about