Bio 182 Exam 2 ASU Latest Update -

Bio 182 Exam 2 ASU Latest Update - Exam Questions and 100% Verified Correct Answers Guaranteed A+

abiotic - CORRECT ANSWER: physical conditions

adaptive plasticity - CORRECT ANSWER: one genotype has multiple phenotypes & environments trigger change

allopatry - CORRECT ANSWER: populations occur in different places

biological species - CORRECT ANSWER: group of potentially interbreeding species

biotic - CORRECT ANSWER: other organisms

Cladistics - CORRECT ANSWER: Grouping is based on common ancestry

Do enzymes maintain a rigid structure while catalyzing? - CORRECT ANSWER: No it is constantly changing

Do smaller or larger populations have more chance for genetic drift? - CORRECT ANSWER: Smaller populations

Each nucleotide represents? - CORRECT ANSWER: the state of a single trait

Environmental examples - CORRECT ANSWER: air temp

food availability social group

evolutionary species - CORRECT ANSWER: lineage that remains distinct throughout space & time 1 / 2

Fisher's Model - CORRECT ANSWER: Assume: Each set of parents give birth to two offspring.A new allele (a) arises, which has no effect on fitness (fitness of Aa = fitness of AA).Fisher 1930, The Genetical Theory of Natural Selection

Then:

Within each couple, there is a 25% chance the new allele will be lost during reproduction.

Gene flow - CORRECT ANSWER: dispersal of organisms btw genetically distinct populations

genetic drift - CORRECT ANSWER: evolution caused by random processes in population in a population of finite size

Genetic drift can do what to neutral alleles - CORRECT ANSWER: eliminate & spread

Genetic drift can...? - CORRECT ANSWER: -eliminate neutral alleles.

-spread neutral alleles.-eliminate beneficial alleles

high temps - CORRECT ANSWER: more rigid enzymes

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

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