Biology 100H Exam 1
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- 1/2 of the living organisms in the world are comprised of what type of species
- insects
- 1/4 of insects are comprised of this type of bug
- beetle (coleoplera)
- 1/4 of living organisms are made up of this type of species
- plants
- cladogram
- tree representation of the relations of animals
- Classification order, from greatest to smallest
-
Kingdom
phylum
class
order
family
genus
species - Ethel Waxham found beauty in what state?
- Wyoming
- psaticsorus
- parrot-like beak creature from ancient era
- Why do we have a head?
- sensory imput, rpocessing, food intake, nerves, brain
- if you're in a rainforest, and you shine a flashlight, what can you see?
- spider eyes, like "diamonds, pinpoints of light winking on and off"
- Eidetic Image
- image that "brings it all back"
- EO Wilson quote on solitude
- "solitude is better for weeding out ideas than for creating them"
- What type of animals did Wilson think made up a "chorus"?
- red howler monkeys
- What, according to Wilson, is the way of the non-human world?
- "the physical environment slams into the resilient forces of life, and nothing much happens."
- How much force does it take to break the ___ of evolution?
- crucible
- exterpation
- extinction in a local area
- According to wilson, what happens when man makes a big, new, persuasive idea?
- an army of cities soon gathers
- FIVE MAJOR EXTINCTIONS
- ordovician, devonian, permian, triassic, Kretaceous
- biggest extinction
- permian
- tertiary average
- it takes 20 million years to recover from an extinction
- What is memorable: size? ferocity?
- no, rarity
- 4 problems of biological species concept:
- sibling species, asexual species, hermaphroditic species, chronospecies
- biological species concept
- natural interbreeding in a population
- three sources of information
- controlled experiment, natural experiment, compilations of fortuitous info
- what are the 4 major factors of banding?
- water, temperature, elevation, latitude
- characteristics of deserts
- about 30 degree latitude either direction; less than 10 cm. per year
- characteristics of chapparal
- shrubs, sometimes firetolerant, primarily located around mediterranean
- characteristics of cheatgrass
- short lifespan; springs up and then dies. "cheats" farmers out of land
- characteristics of savanna
- seasonal grasses, some trees(but no complete canopy), 90-150cm rain annually
- grasslands
- 25-100 cm. taller grasslands get more rain.
- 6 common elements
-
C,H,O,N,P,S
Susan Peters Never Offers Hot Chocolate - hydrogen bonds
- weak attractions between partially charged atoms
- why is water important?
- polar, thermal buffer, cohesion, solvent
- organic compound
- compound containing carbon
- what is the quick storage form in biology?
- sugar
- 4 most common carbs:
- cellulose: woody part of trees, starch, long-term energy in plants, glycogen: equivalent of starch for animals, chitin: insects & fungi
- 3 uses of lipids
- fats, oils, and waxes
- 2 main types of proteins
- structural and enzymes
- 4-letter combo of nucleotides
- TGCA
- ATP Adenosine Triphosphate
- energy's common currency
- Species Richness
- # of species in a plot
- Species Abundance
- amount of one specific specie in a plot
- hadley cell
- process of making deserts more arid through evaporation and cooling
- abiotic factors
- light, temperature, moisture, water, nutrients, fire, edaphic factors
- edaphic factors
- factors related to soil
- homology
- same by genetics
- analogy
- same by function