Archaea

Archaea are ____________ similar to bacteria and _________ closer to eukaryotes.

phenotypically, genetically

Archaea live everywhere; they are ___________.

ubiquitous

Many are found in ________ environments and are not __________.

extreme, pathogenic

What three ways are Archaea different from Bacteria?

1) Cell structure 2) Metabolism 3) Genetics

Halophiles occupy extremely ____ environments like ponds, lakes, and oceans.

salty

Psychrophiles occupy ____ areas like deep in the ocean, antarctic glaciers, and permafrost.

cold

Thermophiles occupy ___ areas including volcanoes and deep-sea hydrothermal vents.

hot

Acidophiles occupy highly ____ and ______ - rich environments such as sulfur springs and acidic crater lakes.

acidic, mineral