Why are scientific theories often so powerful?
3 Why are scientific theories often so powerful? Scientific theories are so powerful because they cannot be proven wrong unless other tests are wrong Scientific theories are the most definitive and accurate types of evidence that a jury can see because these tests that are run are so accurate
What are different theories of evolution?
- Vitalism
- Theistic evolution
- Orthogenesis
- Lamarckism
- Catastrophism
- Structuralism
- Saltationism, mutationism
- Genetic drift
What are the two main pieces of evidence for evolution?
DNA and the genetic code reflect the shared ancestry of life DNA comparisons can show how related species are Biogeography The global distribution of organisms and the unique features of island species reflect evolution and geological change
What are 4 factors of natural selection?
Darwin’s process of natural selection has four components
- Variation Organisms (within populations) exhibit individual variation in appearance and behavior
- Inheritance Some traits are consistently passed on from parent to offspring
- High rate of population growth
- Differential survival and reproduction
What is the weakest evidence for evolution?
Illogical Geology The Weakest Point in the Evolution Theory
What evidence is there supporting evolution?
Fossil evidence supports evolution These specimens provided evidence that species existing in the past were very similar to species living during Darwin’s time For example, the fossil of an extinct animal called the glyptodon resembles the modern armadillo, an animal found today in South America
What is the hallmark of humanity?
One of the hallmarks of being human is cooperation New studies on chimpanzees suggest that this part of human nature may have already existed millions of years ago, perhaps before the human and ape lineages divided Scientists had observed chimpanzees in the wild apparently cooperating in the pas