evolution chapter 1 and 13

Question Answer
convergence- animals may look the same but only because they live in the same environment (ex. dolphins are closer to humans than they are to sharks).
vestigial structures- structures that prove they have common ancestry. (salamander- whale- boa constrictor. shows they have back limbs)
homologous structures vs. analogous structures homologous show common ancestry ex. legs. 2. analogous show different ancestry. ex. wings.
What was important about darwin finding the fossils of marine life in the Andes? it proved his theory that the world has existed a lot longer than percieved
the process of evolutionary theory by Darwin and Wallace 1. individual variation (w/in a species). 2. some of that ind. variation is heritable (can be passed to offspring). 3. only some individuals survive to have offspring. 4. survival is dependent on characteristics (color etc.).
6 laws of the theory of evolution biological growth, reproduction, inheritance, variation (ind. variation w/in species), population pressure, and struggle for existance
divergence change to a new species
What is Darwin's theory? Origins of species- 1. all organisms descended, with modification, from a common ancestor. 2. descent with modification= natural selection
What two characteristics did Thomas Malthus propose? 1. every species has a tendency to over populate beyond its resources. 2. nothing limits growth population except overcrowding and interfering with each others means of substinence
What did Alfred Wallace discover? he came up with the idea of natural selection at the same time as Darwin. He also writes on the idea that different varieties can become new species.
What two mechanisms did Jean Lamarck wrongly propose? 1. acquired characteristics can be inherited (giraffe). 2. spontaneous generation (how species originate. maggots ex.)
What did Jean-Baptiste de Lamarck discover? the theory of evolution. simple => complex. stating that species change overtime and the environment has a role in that.
What is uniformitarianism? the idea that geological processes of the past are still occuring
what did Georges Cuvier propose? catastophism -extinction is caused by a series of catastrophes
What did James Hutton discover? Geology- deposition cycles (layers come from deposition cycles- erosion, flood, etc.)
What did Buffon propose? that the Earth is old (maybe everything isn't in the bible), and modification of species
Thanks to stratigraphy, for the first time... people started relating fossils to living things
What is stratigraphy? looking at different layers of rock and comparing them.
Fossils are discovered through... geological field work
What did Newton discover? Mechanical law
What did Copernicus discover? heliocentric world view (we revolve around the sun)
What is Carolus Linneas known to have observed? 1700's Scientific classification (classifying living organisms), binomial nomenclature (named and related things)
What were adaptations seen as during earlier times? evidence of Gods beneficience
What is the role of natural science? appreciation of creation- science was appreciating God
Examples of natural theology incoporation of Plato's ideal forms, literal interpretation of the bible, special creation, all God creates is perfect, no extinctions
What is natural theology? what people believed about evolution in early times
What did Plato propose? the concept of form- there is an idealized form of every organism
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