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Tinbergen's four questions, named after 20th century biologist Nikolaas Tinbergen, are complementary categories of explanations for animal behaviour. These are also commonly referred to as levels of analysis . [ 1 ]
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Hand-rubbing, rubbing both hands palms together along the fingers' direction may mean that one is expecting or anticipating something or that one feels cold. U.S. servicemen surrendering with raised hands during the Battle of Corregidor. Hands up is a gesture expressing military surrender by lifting both hands. This may have originated with the ...
A beetle leg. An appendage (or outgrowth) is an external body part, or natural prolongation, that protrudes from an organism's body such as an arm or a leg. Protrusions from single-celled bacteria and archaea are known as cell-surface appendages or surface appendages.
A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of certain flagella, which work like corkscrews).
Hands and feet: The hands of primates are all prehensile to varying degrees; The front paws of raccoons and many of their relatives are prehensile. The feet of passerine birds can be prehensile; Tails: New World monkeys have prehensile tails; Tails of many extant lizards (geckos, chameleons, and a species of skink) are prehensile; Seahorses ...
Homoplasy, in biology and phylogenetics, is the term used to describe a feature that has been gained or lost independently in separate lineages over the course of evolution. This is different from homology , which is the term used to characterize the similarity of features that can be parsimoniously explained by common ancestry . [ 1 ]
Gesture has also been taken up within queer theory, ethnic studies and their intersections in performance studies, as a way to think about how the moving body gains social meaning. José Esteban Muñoz uses the idea of gesture to mark a kind of refusal of finitude and certainty and links gesture to his ideas of ephemera.