Final answer:
False. Canines' reproductive cycles are not as heavily dependent on seasonal effects as some other species. While certain wild canines might show seasonality in reproduction, domesticated dogs can enter heat multiple times a year, showing a non-seasonal reproductive cycle.
Step-by-step explanation:
The student's question asks whether canines' reproductive cycles, like those of felines, are heavily dependent on seasonal effects. This statement is generally false. While it is true that many animals, such as the pronghorn antelope, undergo seasonal estrus cycles, not all canines exhibit a reproductive cycle that is highly dependent on the seasons. Instead, canines may enter into heat more than once per year, and domesticated dogs can go into heat multiple times regardless of the season, which is indicative of a non-seasonal reproductive cycle.
Dogs, like other mammals, tend to have hormonally controlled cycles that ensure they are sexually receptive during periods when fertilizable ova are present. However, this is not strictly tied to specific seasons as is seen with other species that are known to breed only during certain times of the year. In other words, while there might be a trend for increased reproductive activity in certain seasons for wild canines, domestic dogs can breed at any time of the year.