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What historic figure died of a disease that had symptoms consistent with West Nile encephalitis?
Alexander The Great
Know some ways that bacteria can obtain their nutrition.
chemoautotrophy, photoautotrophy, heterotrophy
One of the newest techniques used to identify bacteria is to determine their _________________.
______________ are important in both food preparation and protecting the body against pathogens.
Know some facts about E.coli.
1) can act as a pathogen
2) can compete with pathogens in the gut
3) normal inhabitant of the gut
4) synthesizes vitamins essential to the host
Know some things that bacteria re responsive to.
1) oxygen concentration
Know some places where methanogens have been isolated.
termite guts, deep ocean vents, marsh mud, rocks deep below the Earth's surface
Why do most scientists not consider viruses to be alive?
Their metabolic machinery is borrowed from a host cell.
Know some ways to characterize a virus.
1) nucleic acid core
2) noncellular organization
3) being parasitic
4) protein coat
A disease that is always present but usually restricted to a small part of the population is called _____________.
The failure of the potato crop and the subsequent Irish famine was due mainly to a fungus belonging to what group?
Know some characteristics of diatoms.
1) two-part shells
3) silica shells
4) perforations in the shell
Holdfasts, gas-filled floats and a thick leathery surface are found in species of _________ algae.
A source for alginic acid, a thickening, emulsifying agent found in ice cream, salad dressing, beer, toothpaste, cough syrup and floor polish are the ___________ algae.
Know some major trends in terrestrial plant evolution.
1) development of vascular tissue
2) nomotile gametes
3) adaptation to environmental issues
4) fertilization by biotic vectors
Describe some trends in plant evolution
1) nonvascular to vascular
2) motile to nonmotile gametes
3) seedless to seeds
4) haploid to diploid dominance
Know some facts about seedless vascular plants.
1) sporophytes are independent of gametes
2) sporophytes have vascular tissue
3) seeds are not produced
4) living members still exist
Today's coal deposits are mostly derived from _____________ and __________.
horse tails and lycophytes
Know the ways in which fungi can reproduce.
1) asexually by spores
2) budding of parent body
3) sexually by gametes
Know some facts about mycorrhizae.
1) increase plant growth
3) allow plant to absorb water
4) increase surface area for absorption of water and minerals
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