Diatoms
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Photosynthetic protist in the stramenopile clade;
Have unique glass-like wall made of silicon dioxide embedded in organic
matter
Postzygotic barriers
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A reproductive barrier that prevents hybrid zygotes
produced by two different species from developing into
viable, fertile adults
,Marine benthic zone (Example)
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Consists of seafloor below surface waters of the coast. No sunlight.
Temperatures are cold.
Oxygen is usually present at sufficient concentrations to support diverse
animal life.
Soft sediments cover most of the benthic zone, areas of rocky substrates.
Chemoautotrophs found near deep-sea hydrothermal vents
Communities include invertebrates & fishes. Beyond photic zone most
sonsumers
Temperate broadleaf forest (Example)
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Found at mid latitudes.
Precipitation can average 70-200cm. Lotta rain in all seasons & some winter.
Winter is 0C, up to 35C. Hot & humid.
Have distinct vertical layers (closed canopy, understory trees, shrub layer,
herb layer). Dominant Plants are deciduous trees.
Mammals hibernate in winter, many birds migrate to warmer climates
,Disease
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If transmission rates increase as population crowds the impact is density
dependent (flu, TB)
Vestigial Structures
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Remnants of features that served a function in the
organism's ancestors
Landscape ecology
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The study of how the spatial arrangement of habitat types affects the
distribution & abundance of organisms & ecosystem processes
Climate
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, The long-term prevailing weather conditions at a given place
Stramenopila
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One of the three major subgroups for which the "SAR" eukaryotic
supergroup is named. This clade arose by secondary endosymbiosis &
includes diatoms & brown algae
Shared derived character
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an evolutionary novelty that is unique to a particular clade
Gram-positive
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The group of bacteria that have a cell wall that is
structurally less complex and contains more peptidoglycan
than the cell wall of gram-negative bacteria. Gram-positive
bacteria are usually less toxic than gram-negative bacteria
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Photosynthetic protist in the stramenopile clade;
Have unique glass-like wall made of silicon dioxide embedded in organic
matter
Postzygotic barriers
Give this one a try later!
A reproductive barrier that prevents hybrid zygotes
produced by two different species from developing into
viable, fertile adults
,Marine benthic zone (Example)
Give this one a try later!
Consists of seafloor below surface waters of the coast. No sunlight.
Temperatures are cold.
Oxygen is usually present at sufficient concentrations to support diverse
animal life.
Soft sediments cover most of the benthic zone, areas of rocky substrates.
Chemoautotrophs found near deep-sea hydrothermal vents
Communities include invertebrates & fishes. Beyond photic zone most
sonsumers
Temperate broadleaf forest (Example)
Give this one a try later!
Found at mid latitudes.
Precipitation can average 70-200cm. Lotta rain in all seasons & some winter.
Winter is 0C, up to 35C. Hot & humid.
Have distinct vertical layers (closed canopy, understory trees, shrub layer,
herb layer). Dominant Plants are deciduous trees.
Mammals hibernate in winter, many birds migrate to warmer climates
,Disease
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If transmission rates increase as population crowds the impact is density
dependent (flu, TB)
Vestigial Structures
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Remnants of features that served a function in the
organism's ancestors
Landscape ecology
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The study of how the spatial arrangement of habitat types affects the
distribution & abundance of organisms & ecosystem processes
Climate
Give this one a try later!
, The long-term prevailing weather conditions at a given place
Stramenopila
Give this one a try later!
One of the three major subgroups for which the "SAR" eukaryotic
supergroup is named. This clade arose by secondary endosymbiosis &
includes diatoms & brown algae
Shared derived character
Give this one a try later!
an evolutionary novelty that is unique to a particular clade
Gram-positive
Give this one a try later!
The group of bacteria that have a cell wall that is
structurally less complex and contains more peptidoglycan
than the cell wall of gram-negative bacteria. Gram-positive
bacteria are usually less toxic than gram-negative bacteria
