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nature ladder the entire natural world could be arranged in a single continuum
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U OF B Italy first documented legal dissection
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the younger the fossils were the more alike to modern species
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sailed lengthy mission warship coveying 10 cannons to explore coastire of south america
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replicated darwins theory of evolution
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charles Darwin foundation of evolutionary biology introduced scientific theory that populations evolve over course of generations through a process of natural selection
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designed an experiment to test if sterile nutrient broth could generate microbial life
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discovered that certain traits show up in offspring without any blending of parent characteristics
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70,000 mile, 4,700 unknown species discovered, 263 water temp, observations and 492 deep sea surroundings. average global ocean temp. is 0.59 degrees C.
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cylces of parasites were different concluding there must be more than one species of malaria responsible for different patterns of infection
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states that specific microscopic organisms are the cause of specific diseases
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states that allele and genotype frequencies in a population will remain constant on the absence of evolutionary influences
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3:1 ratio similar to breeding experiments for recessive traits white eyed flies were male
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small positively charged, nucleus surrounded by electrons that orbit
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bacteria are capable of transferring genetic info through transformation
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importance of natural selection
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challenged existing concepts of what genes were capable of ding when she discovered some genes were mobile
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theory that each gene directly prduces a single enzyme
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a species is not just a group of morphologically similar individuals but a group that can breed only amongst themselves
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cousteu and gagnan developed aqualung attached regulator to 3 cylinders or air enable divers to dive deeper for long periods of time
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worked with bacterium that cause pneumonia streplococcus pneumoniae
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distributed along mountains of north America. as the ancestral population began expanding they gradually became different
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distributed along mountains of north America as the ancestral population began expanding they gradually became different 1949
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by-product of genetic divergence the isolation may be a result of change in gene function
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provided further proof genes were DNA. worked with virus T2 they concluded the bacteriophages injected into bacterial cells while protein components remain outside
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stimulated the conditions thought at the time to be present on the early earth andtested the chemical origin of life under conditions
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helped cement concept of double helix
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model of DNA structure showed that each DNA strand was a template for the other
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first space flight that landed humans on moon. neil Armstrong, buzz aldrin, and Michael Collins
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said this to assert the importance of orgasmic biology in response to thechallenge of rising field of molecular biology
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lived about 3.85 million years ago best known early human species
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enabled many copies of DNA sequence to be quickly produced
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fissure in plants surface from which geothermally heated water issues
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first American convicted on rape involving DNA evidence
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prokaryotic immune system that confers resitence to foreign genetic elemets such as those present with plasmids
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proves wrongly convicted through DNA testing
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first mammal successfully cloned from adult cell
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found in west central africa one of the oldest known species in human family tree lived 6 million years ago ape and human like features
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NHGRI human genome approximately 3 billion base pairs 23 pairs of chromosomes without nucleus. 30,000 genomes make average 3 proteins it was sequenced to help improve human health
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rape and murder 1988 of 9 year old jenifer wilson
