Lec 14 Flashcards

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1
Q

Hydrogen sulfide is a…

A

Toxic, but energy rich molecule

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2
Q

Hydrothermal vents mainly occur in…

A

Aphotic zone, where primary producers are chemosynthetic archaea and bacteria

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3
Q

Extremophiles can live…

A

at temperatures over 250 degrees F

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4
Q

Cold seeps=

A

All cold chemosynthetic ecosystems

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5
Q

Hydrocarbon seeps=

A

Seeps produced by oil and methane deposits and decay of organic matter

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6
Q

Brine pools=

A

Concentrations of water having an extremely high salinity and also connected with chemosynthetic ecosystems

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7
Q

Mangroves show a distinctive…

A

Zonation

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8
Q

Some kelp species are…

A

Perennial

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