Please enable JavaScript.

Coggle requires JavaScript to display documents.

Environmental Science: Recording and research, Chemistry, Evolution:…

- - - - Manipulative Experiment: are strongest the independent variable can be manipulated )greenhouse temp change)
      - Natural or correlative: not as reliable
- - - - one half life is 5730 years
        
        can date up to 50,000 year ago
      - limitations on aquatic animals and nuclear explosions have altered ratios
- - - - learn from nature
        
        no concept of evolution
  - - - August Weismann(1834-1914)
        proved inheritance acquired is wrong
        
        breeded generations of rats, removed tails and each generation had the same size
    - - Alfred Wallace scooped Darwin and they both published about natural selection
        
        Natural Selection
        
        variation exists in all forms of life
        
        Types of Selection:
        
        Artificial selection (dogs)
        
        natural
        
        sexual selection