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AN#Sci#2011#1#Def
Science Topic 1 Definitions 2011
Question | Answer |
---|---|
Universe | Huge space which contains all of the matter and energy in existance |
Big Bang | Theory that universe started in a big explosion from a single point |
Steady state | Theory that universe has always existed and matter is being created all the time |
Cosmology | Scientific study of theories about history & future of unverse |
Evidence | Something that helps you form a conclusion |
Organisms | Living things |
Darwin | Created the theory of evolution and explained it through the mechanism of natural selection |
Evolution | Slow change in a population of living things over many generations |
Comparative anatomy | Study of similarities and differences in body structures |
Fossils | Remais/impressions of living things, mostly found in rock |
Geographical isolation | Natural arrangements of plants and animals in particular regions |
Homo sapiens | Scientific term for modern humans |
Lamarck | Suggested that evolution was caused by organism acquiring variations as they lived their lives, that were then inherited by their offspring |
Natural selection | When only the organism best adapted to their environment will survive and transmit their genes to their offspring |
Hominid | Early human-like fossils that walked upright on 2 legs and were more like humans than apes |
Astronomer | Studies objects in space & info that can be derived from them |
Cosmologist | Studies theories about the universe - formation, history & future of the universe |