Early Life
All forms of life evolved from a
Last universal common ancestor (LUCA)
The organelles that all prokaryotic cells have are (4)
Ribosomes, small vacuoles, inclusions, cytoskeleton
The bacteria that can cause blindness and nongonococcal urethritis is in the ____ subgroup
Chlamydias
____ causes sleeping sickness and is in the _____ supergroup
Trypanosoma, Excavata
"Backpackers" diarrhea is caused by _____ and is in the _____ supergroup
Giardia intestinalis, Excavata
Early earth had ___ oxygen
No free oxygen
___ involves a bacteriophage
Transduction
The prokaryote that gave rise to the mitochondria is the
Alpha proteobacteria
_______ have multiple nuclei that are not separated by cell membranes and are in the ____ supergroup
Plasmodial slime molds, Unikonta
The ancestor of animals are the ____ and are in the _____ supergroup
Choanoflagellates, Uninkonta
Earth formed _____ years ago
4.6 BY
If a prokaryote gets its energy from light, and its carbon from organic compounds, its nutritional mode is
Photoheterotroph
Staphylococcus and Streptococcus is found in subgroup
Gram-Positive
Phytophthora caused the _____ and is in phylum and the _____ supergroup
Irish potato blight, Oomycota, SAR
____ can cause red tides and are in the ____ supergroup
Dinoflagellates, SAR
The Mg2+ paradox was discovered by
Jack Szostak
Prokaryotes reproduce via
Binary fission
Borrelia burgdorferi causes ____ and is in the _____ subgroup
Lyme disease, spirochetes
___ is the causative agent of malaria and is in the ____ supergroup
Plasmodium, SAR
Diatoms and radiolarians have tests made of ____ while forams have tests made of _____
Silicon dioxide, calcium carbonate
The great oxygenation event happened _____ ago
2.45 BY
Peptidoglycan, polysaccharides and proteins
The bacteria that causes botulism is in the ____ sub group
Gram positive
Earliest eukaryotes originated _____ ago
1.8 BY
The closest relative to land plants is a ______ and is in the ____ supergroup