Wednesday 27 March 2019

evolution - Has any flying creature evolved into a sea creature?


I am talking about a creature that has evolved true flight. Has any such creature evolved into a sea creature, that permanently dwells on water (like fully aquatic fish) and doesn't come out? According to the theory of evolution, many sea creatures of the deep past evolved into land animals and some of them went a step further, evolving flight. I am talking about the reverse process, excluding semi-aquatic or semi-terrestrial animals.





No comments:

Post a Comment

evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...