
Does photoperiod affect reproduction in reptiles?
Answer
486.6k+ views
Hint: Reptiles are animals that belong to the Reptilia class, a paraphyletic grouping that includes all amniotes except synapsids (mammals and their extinct relatives) and Aves (birds). Turtles, crocodilians, snakes, amphisbaenians, lizards, tuataras, and their extinct relatives belong to this class. Birds are classified as a separate class in the Linnaean classification system.
Complete answer:
The physiological response of organisms to the length of the night or a dark period is known as photoperiodism. It can be found in both plants and animals. The developmental responses of plants to the relative lengths of light and dark periods are known as photoperiodism. According to their photoperiods, they are divided into three groups: short-day plants, long-day plants, and day-neutral plants.
For many animals, knowing the season of the year is as important as knowing the length of the day. This knowledge is required for a variety of biological and behavioral changes. Photoperiod causes changes in the color of fur and feathers, migration, hibernation, sexual behavior, and even the resizing of sexual organs, in addition to temperature changes.
Seasonal changes (signaling the onset and termination of breeding seasons in temperate latitudes) and daily changes (entraining the time of ovulation and/or oviposition) influence the reproductive activity of birds.
Photoperiod does affect the rate of reproduction in some reptile species. In lizards, changes in photoperiod result in the regulation of the testis cycle.
Note:
The suprachiasmatic nucleus (SCN) in mammals registers day length, which is informed by retinal light-sensitive ganglion cells that are not involved in vision. The retinohypothalamic tract transports the information (RHT). Humans' seasonality is largely thought to be evolutionary baggage, whereas some mammals are highly seasonal.
Complete answer:
The physiological response of organisms to the length of the night or a dark period is known as photoperiodism. It can be found in both plants and animals. The developmental responses of plants to the relative lengths of light and dark periods are known as photoperiodism. According to their photoperiods, they are divided into three groups: short-day plants, long-day plants, and day-neutral plants.
For many animals, knowing the season of the year is as important as knowing the length of the day. This knowledge is required for a variety of biological and behavioral changes. Photoperiod causes changes in the color of fur and feathers, migration, hibernation, sexual behavior, and even the resizing of sexual organs, in addition to temperature changes.
Seasonal changes (signaling the onset and termination of breeding seasons in temperate latitudes) and daily changes (entraining the time of ovulation and/or oviposition) influence the reproductive activity of birds.
Photoperiod does affect the rate of reproduction in some reptile species. In lizards, changes in photoperiod result in the regulation of the testis cycle.
Note:
The suprachiasmatic nucleus (SCN) in mammals registers day length, which is informed by retinal light-sensitive ganglion cells that are not involved in vision. The retinohypothalamic tract transports the information (RHT). Humans' seasonality is largely thought to be evolutionary baggage, whereas some mammals are highly seasonal.
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