That depends entirely on their physiology and the circumstances. If you have a fish that feeds mostly by harvesting the floor, for instance, natural selection might favour fish with stalks around the mouth for scanning the bottom and eyes on top to keep watch for predators.
Not
Natural selection is something that happens over time and is somewhat dependent on the conditions of climate and environmental changes. There are times when natural selection can favor different phenotypes, if and when the culture starts to seek out others with certain traits and characteristics to breed.
No, all life evolves. Bacteria evolve, viruses evolve, protists evolve, plants evolve, fungi evolve and animals evolve. Evolution is driven by Natural Selection. So, no. The evolution of all life on Earth is driven by Natural Selection: all bacteria, plants, animals, mammals, fish, insects, biochemical pathways, behaviours et cetera evolve by Natural Selection.
Natural selection can favor extreme variations of traits if they provide a survival advantage. For example, in a changing environment, individuals with extreme traits may be better suited to survive and reproduce. However, extreme traits can also come with disadvantages that may make individuals less likely to survive and reproduce.
Natural selection works best in environments where there is variation among individuals in a population, leading to differences in survival and reproductive success. It is most effective when environmental pressures, such as predation, competition, and resource availability, create challenges that favor certain traits over others. Additionally, natural selection is enhanced when the traits being selected for are heritable, allowing advantageous characteristics to be passed on to future generations.
stabilizing selection
because he died from.....
Not
Genetic variation is important for natural selection to drive evolution because it provides the raw material for natural selection to act upon. Without genetic variation, there would be no diversity in traits for natural selection to favor or eliminate, and evolution would not be possible.
Brown
It would favor white because then it could camouflage and hide from predators and would be most likely to survive
Natural selection is something that happens over time and is somewhat dependent on the conditions of climate and environmental changes. There are times when natural selection can favor different phenotypes, if and when the culture starts to seek out others with certain traits and characteristics to breed.
direct evidence is the observation as it occurs
Timid mice are less likely to be caught by a predator.
Leave more offspring
Darwin's best argument in favor of the theory of evolution was natural selection. The most serious objections came from religion.
George C. Williams has written: 'The pony fish's glow' -- subject(s): Adaptation (Biology), Evolution, Human evolution 'Plan and purpose in nature' -- subject(s): Adaptation (Biology), Evolution, Human evolution, Natural selection, Evolution (Biology) 'Natural selection' -- subject(s): Natural selection 'Adaptation and natural selection' -- subject(s): Adaptation (Biology), Natural selection