curve of extinction
51Classical conditioning — This dog was fitted with a cannula to measure the amount of salivation when presented with a certain stimulus, Pavlov Museum, 2005 Classical conditioning (also Pavlovian or respondent conditioning, Pavlovian reinforcement) is a form of… …
52Introduced species — Alien species redirects here. For life on planets other than Earth, see Extraterrestrial life. For a list of extraterrestrials in fiction, see List of alien species. Sweet clover (Melilotus sp.), introduced and naturalized to the U.S. from… …
53Resilience (ecology) — For other uses, see Resilience (disambiguation). Lake and Mulga ecosystems with alternative stable states[1] In ecology, resilience is the capacity of an ecosyst …
54Lee Hannah — is a conservation ecologist and a Senior Fellow in Climate Change Biology at Conservation International’s Center for Applied Biodiversity Science. Hannah is one of many authors who published an article predicting that by 2050, between 15% and 37% …
55asteroid — asteroidal, adj. /as teuh royd /, n. 1. Also called minor planet. Astron. any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those… …
56Traumatic memories — The management of traumatic memories is important when treating mental health disorders such as post traumatic stress disorder. Traumatic memories can cause life problems even to individuals who do not meet the diagnostic criteria for a mental… …
57Tyrannosaurus — T. rex redirects here. For other uses, see T. rex (disambiguation). Bilateria Tyrannosaurus rex Temporal range: Late Cretaceous, 67–65.5 Ma …
58Fluorescence interference contrast microscopy — Fluorescence interference contrast (FLIC) microscopy is a microscopic technique developed to achieve z resolution on the nanometer scale. FLIC occurs whenever fluorescent objects are in the vicinity of a reflecting surface (e.g. Si wafer). The… …
59Predation — For alternative meanings of predator and prey, see Predator (disambiguation) and Prey (disambiguation). Predating can also mean dating earlier than : see wiktionary:predate. Indian Python swallowing a small Chital deer at Mudumalai National Park …
60Ultraviolet-visible spectroscopy — or ultraviolet visible spectrophotometry (UV/ VIS) involves the spectroscopy of photons in the UV visible region. It uses light in the visible and adjacent near ultraviolet (UV) and near infrared (NIR) ranges. In this region of the… …
