Term
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Definition
major changes over evolutionary time |
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Term
What is the recipe for life |
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Definition
raw materials + suitable environment + energy sources |
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Term
What were the results of Stanley Miller's test |
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Definition
After a week, an abundant amount of amino acids and other organic molecules were created |
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Term
What characteristics do cells and protobionts share
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Definition
structural organization simple reproduction simple metabolism simple homeostasis |
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Term
How could natural selection act on protobionts |
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Definition
Ones that replicated the best under those conditions |
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Term
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Definition
Archaean, Proterozoic,Phanerozoic |
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Term
What are the separate parts of the Phanerozoic eon
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Definition
Paleozoic, Mesozoic, Cenozoic |
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Term
What created and transformed earth's biosphere |
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Definition
Prokaryotes, had photosynthesis and cellular respiration |
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Term
Whats an example of multicellular form
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Definition
Algae,plants,fungi,animals |
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Term
What are the most diverse types of
land animals
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Definition
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Term
What is radiometric dating
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Definition
measurement of radioactive isotopes to find age |
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Term
What is the max time carbon-14 dating is good for
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Definition
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Term
What is continental drift
|
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Definition
Slow continuous movement of earths crustal plates on hot mantle |
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Term
Over the last 600 million years how many mass extinctions have occurred
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Definition
50% or more of earths species went extinct |
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Term
what is Adaptive radiation
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Definition
when a group of organisms forms new species, whos adaptations allow them to fill new habitats or roles in their communities |
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Term
what does it mean for a human to have paedomorphic traits
|
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Definition
retains juvenile traits into adulthood |
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Term
|
Definition
retaining larval characteristics into adulthood |
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Term
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Definition
master control genes that determine basic features ie where wings may develop |
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Term
|
Definition
the evolution history of a species or group of species |
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Term
Analogous similarties result from what |
|
Definition
convergent evolution in similar environments
ie such as all fish have a streamline body |
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Term
|
Definition
classifies organisms and determines their evolutionary relationship connections classification with evolutionary history |
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Term
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Definition
assigns each species a binomial consisting of a genus and species name |
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Term
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Definition
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Term
What is a phylogenetic tree |
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Definition
a hypothesis of evolutionary relationships within a group |
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Term
explain ingroup and outgroup
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Definition
a step in cladistics, a taxon that diverged before the lineage leading to the members of the group |
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Term
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Definition
the simplest and parsimonious (easiest) hypothesis. because likely to be phlogenetic tree |
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Term
what is molecular systematics
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Definition
compares nucleic acids or other molecules to infer relatedness of taxa the longer two species have been on separate evolutionary paths, more DNA should have diverged |
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Term
What was earth's early atmosphere compsed of |
|
Definition
water vapor
Nitrogen
Carbon Dioxide
Methane
Ammonia
Hydrogen
Hyrogen sulfate |
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Term
What were some of the energy
sources on early earth |
|
Definition
Volcanic activity
lightning
UV radiation |
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Term
What were the initial conditions
of life
aka How did it start |
|
Definition
with proper chemical and physical conditios
stage 1: abiotic synthesis of monomers
stage 2: formation of polymers
stage 3: packing of polymers into protobionts
stage 4: self-replication |
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Term
|
Definition
precursors to prokaryotic cells |
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Term
What hypothesis did Stanly
Miller test |
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Definition
Oparin-Haldane Hypothesis |
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Term
What is an alternative hypothesis to
the Oparin-Haldane hypothesis |
|
Definition
Submerged volcanoes and deep-sea
hydrothermal vents provided chemical
resources for first life |
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Term
What may have served as the first
genetic material and the first
enzymes |
|
Definition
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Term
What defines the geologic
record |
|
Definition
major transitions in life on earth |
|
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Term
What happened during the
Permian Extinction
and what is likely to have caused it |
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Definition
96% shallow water marine species died
extreme vulcanism released carbon dioxide
warmed global climate
slowed mixing of ocean water
reduced oxygen in ocean |
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Term
What happened during the
Cretaceous Extinction
and what is likely to have caused it |
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Definition
All dinosaurs except birds went extinct
large asteroid struck earth blocking
light and disrupting global
climate |
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Term
|
Definition
a field that combines evolutionary
and developmental biology |
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Term
What are the categories of the phylogenetic tree |
|
Definition
Kingdom > Phylum >
Class > Order >
Family > Genus >
Species |
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Term
|
Definition
a group consisting of a single common ancestor and all it's descendants |
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Term
What is exaption and give an example |
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Definition
a trait that served one function evolving to serve another.
ie: birds feathers were originally used for heat regulation, then adapted for flight |
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