Evolution

If all individuals in a species (peas) are not exactly clones of each other but have small variations in the genes (traits), some will do better when the environment changes (drought). These traits will be "favored" over other traits. More individuals will be found with the trait. A new variety of peas will be found.

The Structure of Evolutionary Theory was created on 2002-03-21.

In Between Evolution was created on 2004-06-29.

The Evolution of Melanism was created in 1973.

Evolution of the Vertebrates was created on 2001-12-15.

A Primitive Evolution was created in 2007.

Yes, cultural evolution can occur much faster than biological evolution because cultural traits can be rapidly spread and adopted among populations through communication, imitation, and technology, whereas biological evolution relies on genetic changes that accumulate over generations through the process of natural selection. This allows cultural adaptations to occur more rapidly in response to changing environments or social needs.

Charles Darwin reached the Galapagos islands in 1835. He observed many finches, tortoises and many other animals. He observed that the animals in the Galapagos were different than the animals in other places like South America. This may be because the climate is different in the Galapagos than in other places so the animals may have involved to suit the temperatures in the Galapagos. Infomation source/s: http://www.zephyrus.co.uk/charlesdarwin.html

Most objections to evolutionary theory, now and historically, are based in religious fundamentalism, specifically the religious beliefs that have mankind be the product of special creation by some god or gods.

Sociocultural evolution is the study of how societies and cultures change and develop over time. It examines how ideas, beliefs, technology, and social organization evolve within a society, leading to cultural transformations and societal progress. The concept highlights the interconnectedness of various factors that shape human societies and their development.

Palaeontologists uncover, examine, categorize and publish about fossils. An important part of what we know of the natural history of life on Earth comes from fossil evidence.

It might also be instrumental in the evolution of a new species of bird. With birds, however, the impact of such a barrier will usually be much smaller, as birds can more easily cross such barriers and therefore maintain a high interbreeding frequency. The decline of interbreeding frequency is what causes subpopulations to diverge, sometimes culminating in speciation.

Well, all life on Earth (as we know it) requires the sun in order to survive...

Firstly and most importantly it is the fact that the anatomies of all life follow a pattern of nested hierarchies. More recognisably, we often find atavistic structures that have diminished function in modern lifeforms, but not in sister clades or in more basal (and possibly extinct) lifeforms.

Unilineal evolution theory suggests that all societies follow a single path of development, progressing from simple to complex forms. This theory implies that societies evolve in a linear, unidirectional way towards higher levels of civilization. However, this perspective has been largely discredited in modern anthropology due to its Eurocentric bias and oversimplification of cultural diversity.

Laziness isn't just related to human evolution: laziness is a driving factor in all evolution. All life evolves to gain the most by expending the littlest, often by evolving complex behavioural strategies. Variants that expend more to gain less are simply outcompeted by 'lazier' variants. So the life you see is inevitably the laziest possible life.

The end Cretaceous mass extinction 65 million years ago is associated with the end of the dinosaurs. Virtually no large land animals survived. Plants were also affected and tropical marine life was decimated. At this time, the oceans flooded up to 40% of the continents. What would become us now had a chance to flourish. We were very small mammals and we had a lot of land to fill.

Of course the word 'opportunity' is, in this instance, a value-judgement. I would imagine that the organisms that were unable to adapt to the radically changing environments during past extinction waves would not have seen it as an opportune time at all. But, then, one man's death is often another man's bread, and there will always be those able to profit from even the most horrible disasters.

There is no reason to think that the hummingbird is an evolutionary dead end. Granted, the hummingbird is an animal adapted to a unique niche, and a radical change in circumstances could mean the extinction of some of its species - but the same is true for many if not most lifeforms.

The theories are evolution deal with the fact that every being on the planet today came from a now-extinct species. This goes for humans as well. Scientists believe that humans evolved from now-extinct mammals during the Late Cretaceous period. Evidence proves people came from a member of the gibbon family.

Bees and ants are highly mobile, in comparison to plants. Hence, the range of pollination, whihc is to say, the amount of distance that can be traveled to find other members of the same plant species with which to cross pollinate, is tremendously increased by the use of mobile, pollinating animals. In evolutionary terms, it was easier to evolve a symbiotic relationship with bees, than it would have been to evolve into a mobile plant.

The assumptions of the evolutionary theory of social change include the belief that societies progress through stages of development, that there is a unilinear path of societal evolution, and that societies evolve from simple to complex forms. This theory suggests that social change is inevitable and that it is driven by factors such as technological advancements and cultural developments.

Yes. Pretty much everything is part of the food chain. If it walks, swims, flies, or crawls, something wants to eat it.

Dependency theory suggests that global inequality is largely due to the exploitation of developing countries by developed countries. It emphasizes the role of historical colonialism and neocolonial practices in perpetuating underdevelopment. Dependency theorists argue that developing countries are structurally dependent on developed countries for resources, technology, and markets, leading to unequal power relations.

Karl Marx's social evolution theory posits that societies evolve through a series of stages driven by changes in the mode of production. He believed that history is characterized by class struggle between the ruling class (bourgeoisie) and the working class (proletariat), leading to social revolution and the eventual establishment of a classless society. Marx identified the stages of primitive communism, slavery, feudalism, capitalism, and socialism in this evolutionary process.