Exam (elaborations)
Bio 182 Exam 2 ASU(questions n answers )rated A+ passed
- Course
- BIO 182
- Institution
- Arizona State University
Bio 182 Exam 2 ASU(questions n answers )rated A+ passed
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Bio 182 Exam 2 ASU(questions nanswers )rated A+ passed
niche - correct answer ✔✔range of environmental conditions in which a genotype can persist
abiotic - correct answer ✔✔physical conditions
biotic - correct answer ✔✔other organisms
which are the strongest bonds - correct answer ✔✔covalent bonds
low temps - correct answer ✔✔more flexible enzymes
high temps - correct answer ✔✔more rigid enzymes
Do enzymes maintain a rigid structure while catalyzing? - correct answer ✔✔No it is constantly changing
adaptive plasticity - correct answer ✔✔one genotype has multiple phenotypes & environments trigger
change
genetic drift - correct answer ✔✔evolution caused by random processes in population in a population of
finite size
Do smaller or larger populations have more chance for genetic drift? - correct answer ✔✔Smaller
populations
homology - correct answer ✔✔phenotype that is similar between two species because of common
ancestry
, homoplasy - correct answer ✔✔phenotype that is similar between two species because of convergent
evolution
parsimony - correct answer ✔✔the simplest explanation is the best (fewest evolutionary transitions) A--
>B-->C = common A-->B-->A = uncommon
migration load - correct answer ✔✔maintenance of deleterious alleles by migration
Which traits are more informative? - correct answer ✔✔Shared derived traits (synapomorphy)
Which traits provide no information? - correct answer ✔✔Shared ancestral traits (pleisiomorphy)
Which traits provide false info? - correct answer ✔✔Convergent traits (homoplasy)
allopatry - correct answer ✔✔populations occur in different places
sympatry - correct answer ✔✔populations occur at the same place same time
plasticity - correct answer ✔✔ability of one genotype to produce more than one phenotype when
exposed to different environments
Genetic drift can do what to neutral alleles - correct answer ✔✔eliminate & spread
What random processes cause genetic drift? - correct answer ✔✔-independent assortment of alleles
-random variation in survival
-random variation in mating success
-random variation in fecundity
Is fixation of a deleterious allele or the loss of a beneficial allele more probable? - correct answer
✔✔Loss of a beneficial allele
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