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USC Bisc 120 Lab Exam 1 Questions & Answers

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USC Bisc 120 Lab Exam 1 variables of an experiment have to be - Answer- clearly defined and measurable level of treatment - Answer- value for independent variable replication - Answer- doing same procedure multiple number of times if results match prediction - Answer- hypothesis is supp...

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  • September 26, 2024
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  • USC Bisc 120 Lab 1
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USC Bisc 120 Lab Exam 1
variables of an experiment have to be - Answer- clearly defined and measurable

level of treatment - Answer- value for independent variable

replication - Answer- doing same procedure multiple number of times

if results match prediction - Answer- hypothesis is supported

if results don't match prediciton - Answer- hypothesis is falsified

figure - Answer- graphs, diagrams, drawings, photographs

allometric growth - Answer- parts of body grow at different rates

isometric growth - Answer- two parts of body grow at same rate

alleles - Answer- alternative DNA sequences at same physical gene locus on
chromosome

phenotype - Answer- determined by organism's genetic makeup and environment

evolutionary agents - Answer- mutation, gene flow, genetic drift, natural selection,
nonrandom mating

Hardy Weinberg equilibrium - Answer- no mutations, no gene flow, no natural
selection, random mating, infinite population

fitness - Answer- the ability of organism to survive, find a mate, and produce
offspring based on its phenotype to pass on genes to next generation

modes of natural selection - Answer- stabilizing, direction, disruptive

ability to taste PTC - Answer- chromosome 7, dominance

speciation - Answer- allopatric or sympatric

phylogenetic classification based on - Answer- comparative anatomy, embryology,
fossil records, DNA and amino acid sequence homologies

molecular clock hypothesis - Answer- DNA sequences mutate at constant rates, can
be used to find when two related species diverged

animal behavior result of - Answer- external, internal, or mixture stimulus

ethology - Answer- study of animal behavior in context of evolution, ecology, social
organization, and animal's sensory abilities

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