Answer:
In Darwinian terms, the fittest individuals of a species are those that attracts the most mates and leave the greatest number of reproductive descendants.
Explanation:
Darwin's evolutionary theory have mentioned "Survival of the fittest'' that described the mechanism of natural selection.
The survival of fittest means the maximum rate of reproductive success.
Those individuals that leaves maximum copies of it's offspring which are actively successful in reproduction and transmit it's features to the next generation are fittest individuals.
Charles Darwin mentioned this on his book'' Origin of species'' in 1868
Survival of fittest is the alternative form of natural selection.
Survival of fittest ensures the chance to improve phenotypic characters.
Answer:
No, not all genetic change is adaptive.
Explanation:
This is because genetic changes happen in many ways and this can be adaptive or not.
The main form of genetic change happens through genetic mutations, and these mutations are not always adaptive.
One might think, for example, of a river polluted with a chemical reagent that causes mutations in the scale genes of the local fish population, mildly damaging the way they swim. Despite being a nonadaptive genetic change of fish, they have continued to reproduce so that this change is part of their population.
Although this happens, it is important to note that this rarely happens. Since natural selection ends up selecting the most suitable in the long run.
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Hey. The first sound is the "lub." This is what you hear once the mitral and tricuspid valves of the heart close, which are the valves between the atria and the ventricles! Super cool. It is your third answer choice.
Continuous feeders are aquatic animals that constantly feed by having water filled with food particles (for example, small plankton or fish) entering through the mouth. In addition, they do not need a storage area, such as a stomach, for food. Now Discontinuous feeders must hunt for food on a regular basis; they need a storage area, such as a stomach, to house food until it is digested.
