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Of course. Everyday people and animals are changing. And adapting to their environments.
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∙ 14y ago
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True or false the theory of evolution focuses on the evolution of the human species?
False. Evolution is a general theory relating to the change amongst species over time. It is not specific to any particular species, nor even to a group of species, but to all species that have ever existed, are existing and will ever exist.
Scientists break down evolution into which two categories?
There are no separate types of evolution. Evolution is the changing of allele frequencies within populations. This definition encompasses all evolution, from adaptation within a species to the emergence of new major taxa from existing taxa (eg. the emergence of birds from dinosaurs).
Why is the giraffe an example of evolution?
All life is an example of evolution. It is the slow change of a species.
What is a species and how do they develop?
Species is a label that is attached to a group of reproductively linked, usually cohabitating organisms. New species emerge from existing species through a process called speciation, which is a result of evolution. For more information, see related questions below.
Is evolution over?
No, evolution is not over. Whenever the environment changes, and it is changing all the time, life has to adapt. Even without environmental change, slow, gradual honing of species to their niches would continue, and there is also the matter of genetic drift.
What is an example of divergent evolution?
Basically, divergence is the "default mode" of evolution. So virtually all species you can think of would be examples of divergence. Even in cases of parallel and convergent evolution, the underlying genomes will continue to diverge. An often used example of divergent evolution in the morphological and behavioural sense is Darwin's finches.
What is the difference between macro evolution and micro evolution?
The difference is one of scale and scope. This is best explained using a single species and its descendants as an example:Every change that happens to the species up to the point of speciation would be classified as "micro-evolution". But after speciation, divergence would not stop: the two new species would continue to diverge from one another, possibly resulting in yet more branching events, more new species. The scope would increase to include all of those as well. At this scale, we're talking about "macro-evolution". When we zoom in on one of those newly emerged species, we can see that the resulting "macro-evolution" is still being generated by the cumulative effects of "micro-evolution" within each individual population.
How is DNA evidence used in evolution?
All species have the same genetic code.
What supports the scientific theory that all species share a common ancestor?
Evolution.
What does branching evolution mean?
It implies that all species are form a common descendant
Why are there apes if humans evolved from them.?
evolution - apes continued to evolve as well. We came from all mamals, reptiles etc... each species continued to evolve into its own lines. All dogs came from the selective breeding from wolves, and wolves continue to exist.
What types of species are most vulneraable to exstinction?
Over geologic time ALL species become extinct and are replaced by new species, that is how evolution happens.
