Question 1.
The only living representatives of a very ancient group is the hagfishes and lampreys (jawless fishes). Why do you suppose these jawless fishes do not live in our waters?
Question 2.
A Marine Biologist from Fish & Wildlife collected a deep-water female shark containing 20 eggs from our waters for the first time and did a detailed study on it. Do you think that the Marine Biologist will conclude that this shark species, although new, belong to the family of sharks already present in our waters? Would it be possible that this new female shark mated with one of our male sharks? Please explain your answers.
Question 3.
Parrot fish is one of the favorite fish of the local people. What are the advantages and disadvantages should parrot fish have an equal number of males as females present in our waters?
The only living representatives of a very ancient group is the hagfishes and lampreys (jawless fishes). Why do you suppose these jawless fishes do not live in our waters?
Question 2.
A Marine Biologist from Fish & Wildlife collected a deep-water female shark containing 20 eggs from our waters for the first time and did a detailed study on it. Do you think that the Marine Biologist will conclude that this shark species, although new, belong to the family of sharks already present in our waters? Would it be possible that this new female shark mated with one of our male sharks? Please explain your answers.
Question 3.
Parrot fish is one of the favorite fish of the local people. What are the advantages and disadvantages should parrot fish have an equal number of males as females present in our waters?
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