What has been learned from fossils about life?
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-life on earth is ancient and had taken a long time to evolve
-life has increased in complexity and diversity overtime
-most life (99.9%) has gone extinct
-diversification happens gradually and in "bursts"
How does bacteria/archea vary in motility?
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some are nonmobile, but swimming and gliding are common
,What are types of morphological diversity?
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-size varies
-shape varies
-motility varies
Define behavioral isolation
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unique behavioral patters and rituals isolate species
Define faculative anaerobes
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can survive with or without oxygen
Define gametic isolation
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, sperm and ova are chemically incompatible and will not fuse to form a
zygote
Bacteria, Archea, & Eukarya: organelles
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only eukarya
Define obligate anaerobes
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cannot tolerate O2
What are the types of prezygotic barriers?
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-habit isolation
-temporal isolation
-behavioral isolation
-mechanical isolation
-gametic isolation
What is oxidized in photosythesis?
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H2O to O2
Define binary fission
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A form of asexual reproduction in which one cell divides to form two
identical cells.
Define vertical gene transfer
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flow of genetic information from one generation to the next
Bacteria, Archea, & Eukarya: typical cell size
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bacteria & archea: small
eukarya: large
Define metabolic diversity
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-life on earth is ancient and had taken a long time to evolve
-life has increased in complexity and diversity overtime
-most life (99.9%) has gone extinct
-diversification happens gradually and in "bursts"
How does bacteria/archea vary in motility?
Give this one a try later!
some are nonmobile, but swimming and gliding are common
,What are types of morphological diversity?
Give this one a try later!
-size varies
-shape varies
-motility varies
Define behavioral isolation
Give this one a try later!
unique behavioral patters and rituals isolate species
Define faculative anaerobes
Give this one a try later!
can survive with or without oxygen
Define gametic isolation
Give this one a try later!
, sperm and ova are chemically incompatible and will not fuse to form a
zygote
Bacteria, Archea, & Eukarya: organelles
Give this one a try later!
only eukarya
Define obligate anaerobes
Give this one a try later!
cannot tolerate O2
What are the types of prezygotic barriers?
Give this one a try later!
-habit isolation
-temporal isolation
-behavioral isolation
-mechanical isolation
-gametic isolation
What is oxidized in photosythesis?
, Give this one a try later!
H2O to O2
Define binary fission
Give this one a try later!
A form of asexual reproduction in which one cell divides to form two
identical cells.
Define vertical gene transfer
Give this one a try later!
flow of genetic information from one generation to the next
Bacteria, Archea, & Eukarya: typical cell size
Give this one a try later!
bacteria & archea: small
eukarya: large
Define metabolic diversity
