There exists much variation of traits within a species population. There are also limited resources that all members of the popu
lation have to compete for. Those with traits that make them better adapted to their environment will result in their survival, their ability to reproduce, and to pass on their traits to the next generation. This is an example of ___________________
Natural selection is a process described by Charles Darwin, where individuals with advantageous traits are selected by nature under the premise of "survival of the fittest". The creation of these advantageous traits are the result of one or more spontaneous mutations that bring an adaptation that last in a species because it represent a better chance of survival for them.
Reproduction in Fishes. Nearly all fish reproduce by sexual reproduction - the fusion of sperm produced from testes and eggs produced from ovaries. ... Fertilization is external in most fish species. Large quantities of eggs and sperm are simultaneously released into the water by females and males.
