write true or false
Most bony fish have good eyesight but cannot see colours.
Answers
Answer:
True
Explanation:
Fish can have up to four different types of cones, one of which detects ultraviolet light. Ultraviolet cones are used to detect plankton, although not all have. Some species only have them when they are larvae and others only during certain stages of adulthood. For example, the rainbow trout (Oncorhynchus mykiss) have ultraviolet cons only when living in the freshwater. On the other hand, some fishes, such us elasmobranchs and deep fishes, only have rods. Thus, they cannot see colours. Another notable difference is that in the bony fishes, eyes grow throughout life and, therefore, so does the retina. In addition, the retina has the ability to regenerate in case of getting hurt. Finally, some nocturnal fish and sharks, among others, present tapetum lucidum behind the retina, the function of which is to return light rays that have escaped from the retina to the retina to improve vision. It is also present in some mammals, such as cats.
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Answer:
I think so its answer is true