Evolution

The evolutionary perspective is a theoretical framework that explains human behavior and mental processes through the lens of evolution and natural selection. It posits that many psychological traits, such as emotions, decision-making, and social behaviors, have developed as adaptations to enhance survival and reproductive success in ancestral environments. This perspective integrates insights from biology, anthropology, and psychology to understand how evolutionary forces shape human behavior over time. It emphasizes the role of inherited traits and the influence of environmental pressures on psychological development.

If a new allele appears in a population, the Hardy-Weinberg formula cannot be used. This is because there is now no equilibrium.

Charles Darwin visited Galapagos Island during his famous voyage around the world. He did research on finches and the Galapagos Giant Tortoises during his stay there. He found that these animals have developed themselves according to their habitat.

The tortoises living in the surroundings where food was available at low height had round carapace while those who lived in the surroundings where food available at high height had saddle back carapace.

Similar with the finches, It was sound that there was difference in the same species of animals at all the seven islands at Galapagos. This observations made by Charles Darwin lead him to came up with the Theory of evolution.

That would be the evolution of an exclusive symbiotic or parasitic relationship.

"Molecular clocks" can be used to estimate the time at which two lineages diverged. Often, the calibration of the clock uses fossil evidence to gauge a timeframe for the existence of a common ancestor of a number of lineages. From this, an average mutation rate can be calculated. This average mutation rate can then be used to estimate the timeframe for further branching points in the genealogy of the lineages in question.

For instance, fossil evidence could be used to establish a timeframe for the existence of a common ancestor to all great apes. By dividing the sum of all differences in a particular genomic sequence for all great apes by the time between then and now, we get an average rate. We can then take the differences between that genomic sequence in men and Neanderthals to estimate when Neanderthals diverged from us.

Evolution is the change in allele frequency over time in a population of organisms.

Alleles are different molecular forms of the same gene and when their frequency changes in a population it indicates " hard " inheritance has taken place; the only type of inheritance that leads to evolution. Building bigger muscles during you lifetime can not pass the bigger muscles on to your progeny, thus mo evolution in any population.

Comparative anatomy and evolutionary development have shown the connection between species; both the near and far connections.

Look at the bones in your arm and then at the foreleg bones of your cat or dog and see how evolutionarily close the both of you are.

The HOX genes between you and fruit flies, the control genes for making bodies, show that you and flies share common ancestry as suggested by evolution.

Technically, I think that the domestication of dogs was a product of both natural and artificial selection. It probably started out naturally, with wolves living in close proximity to humans and scavenging from their waste, gradually becoming adapted to co-existing with human populations. Wolf populations living in close proximity to human settlements might adapt to them in a way similar to what happens with predation: humans would hunt and kill off the more aggressive packs, unwittingly ensuring that the surviving packs would be more timid, more prone to domestication. Then humans began taking wolves into their households, for whatever reason, and training their captive offspring. Though there might not at this point have been conscious efforts to breed gentler wolves, nevertheless at this point we should speak of artificial selection rather than natural selection: misbehaving captive wolves would be killed, the more docile survivors would breed.

But that's just one hypothesis. Most hypotheses will go along the same global lines though.

The divergence among the same types of animals, like pigeons and penguins are both types of birds...

The fossil record showing the transition between animals...

The fact that fossils are found in order, mammals only above birds, birds above reptiles, reptiles above fish, never a rabbit under a dinosaur

He thought they just wished for them and they got the webbed feet they needed.

Modern monkeys are not the ancestors of modern humans. however, animals that we would consider to be ape-like, but which are now extinct, were the ancestors of both modern humans and modern monkeys.

Possible scales, but I think there is some lack of consensus here.

No. Both groups evolved from a common ancestor, which was neither a chimp nor a human.