BIO 1130 Lecture Notes - Lecture 2: Continental Drift, Carbon Cycle, Common Descent
1 Oct 2016
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Analogy, something that happened in terms of function but doesn't share a common ancestor
Bicarbonate, HCO3-
Biogeography, a field of biology that deals with the distribution of plants and animals.
Carbon cycle, this has a huge thing to do with the carbon dioxide in the air and it's equilibrium in the
oceans and precipitating out a solution ( been going on for a very long time). On land this cycle shows
that CO2 is trapped by the plants that makes starch, which helps makes glucose which feeds everything
else.
Carbonate, carbon dioxide turning into carbonic acid and settling in the oceans (this is where all the
sedimentary rocks come from). This goes on for millions of years that's why as the layers changes, the
chemistry changes, fossils changes and the organisms changes. (lyell)
Carbonate salts,
Catastrophic theory, some phenomenal catastrophe at some point of time that eliminated a whole
bunch of animals off the face of the earth. Changed the composition of animals on the planet ( animals
that didn't make it to the arctic, thus downed and became fossils)
Cell theory, what we are looking at through a microscope are organisms that are made of small
compartments, each small compartment has a nucleus and a cornel in it and it could be single cell,
many cells, multiple cells, different cells. Cell is the fundimental unit of life.
Common ancestry, Organisms today all come from a common ancestor from bacteria
that was in the ocean in the beginning of the earth. Basically a common ancestor is
just what was previously an organism before a mutation that was passed on, or
before a trait was widely spread enough to create a new species.
Comparative biology, Comparing the morphology of the organisms at adulthood and in
embryonic form.
Constancy of species,
Continental drift, continents are floating on the surface of molten cores
Convergent evolution, homoplasy
Cuvier (Georges), he's in France, in the quarries, where there is fossils and bones. He collected the bones
ad ade a full skeletos. These skeletos are etit orgaiss. There are aials that are’t still here.
Life forms is more diversity, there has to be a Catastrophe that changed the animal forms. (fix this listen
to the podcast)
Darwin (Charles), Darwin gives us five theories.
Darwin (Erasmus), Darwin's grandpops. He wrote the temple of nature
Descent with modification,
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Document Summary
Analogy, something that happened in terms of function but doesn"t share a common ancestor. Biogeography, a field of biology that deals with the distribution of plants and animals. Carbon cycle, this has a huge thing to do with the carbon dioxide in the air and it"s equilibrium in the oceans and precipitating out a solution ( been going on for a very long time). On land this cycle shows that co2 is trapped by the plants that makes starch, which helps makes glucose which feeds everything else. Carbonate, carbon dioxide turning into carbonic acid and settling in the oceans (this is where all the sedimentary rocks come from). This goes on for millions of years that"s why as the layers changes, the chemistry changes, fossils changes and the organisms changes. (lyell) Catastrophic theory, some phenomenal catastrophe at some point of time that eliminated a whole bunch of animals off the face of the earth.
