Biology experiments

chemical experiment that simulated conditions on the early Earth, and tested the origin of life

use of animals as models of the human organism

thumb|An anesthetized pig used for training a surgeon Vivisection () is surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure. The word is, more broadly, used as a pejorative catch-all term for experimentation on live animals by organizations opposed to animal experimentation, but the term is rarely used by practicing scientists. Human vivisection, such as live organ harvesting, has been perpetrated as a form of torture.

two rules about the percentage of A, C, G, and T in DNA strands

1944 experiment by O. Avery, C. MacLeod and M. McCarty that DNA is the substance that causes bacterial transformation

use of laboratory and field experiments to explore evolutionary dynamics

study of E. coli bacteria evolution in controlled conditions

guiding principles for more ethical use of animals in science

experiment showing that in bacteria, genetic mutations arise in the absence of selection, rather than being a response to selection.

very large nerve fiber that controls part of the water jet propulsion system in squid

significance of the peppered moth in evolutionary biology

Animals controlled remotely by humans

biological specimen taken by sampling

thumb|upright=1.0|right|ECOSTRESS radiometer