What determines your race?
Race is usually associated with biology and linked with physical characteristics, such as hair texture or skin color and covers a relatively narrow range of options. Yet people of similar complexions/hair textures can be defined as different races, and definitions in the United States have changed over time….
What is the main evidence used to support the multiregional theory?
The main fossil evidence in support of the multiregional and candelabra hypotheses was the discovery of the Dali Man in China. For multiregionalists or candelabra supporters, the mixture of archaic and modern features was evidence of a midway stage between early and modern hominins….
What is domain in classification of living things?
In biological taxonomy, a domain (/dəˈmeɪn/ or /doʊˈmeɪn/) (Latin: regio), also superkingdom, realm, or empire, is the highest taxonomic rank of organisms in the three-domain system of taxonomy devised by Carl Woese et al.
What animals have no backbones?
Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group – they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates – they all have internal skeletons and backbones.
What animals are genetically closest to humans?
It confirms that our closest living biological relatives are chimpanzees and bonobos, with whom we share many traits. But we did not evolve directly from any primates living today. DNA also shows that our species and chimpanzees diverged from a common ancestor species that lived between 8 and 6 million years ago….
Are humans and pigs related?
The pig is genetically very close to humans.” Schook explained that when we look at a pig or a human, we can see the difference instantly. “But, in the biological sense, animals aren’t that much different from one another — at least not as different as they appear,” he said.