UWL BIO 203 FINAL EXAM
QUESTIONS & ANSWERS 100%
SOLVED
Biological Hierarchy - ANSWERdomain, kingdom, phylum, class, order, family,
genus, species
Sexual Dismorphism - ANSWERgenders look different
mycosis - ANSWERfungal infection
Amoebozoa - ANSWERsynapomorphy: amoeboid morphology, lobe-like
pseudopodia for feeding
Opisthokonta - ANSWERsynapomorphy: flat cristae in mitochondria, single posterior
flagellum
Metamonada - ANSWERsynapomorphy: many body planes (cell morphologies),
often within multiple flagella in clusters of 3-4
Algae - ANSWERphotosynthetic eukaryotes that are not land plants and they are not
a monophyletic group
Archaeplastida - ANSWERearly plastid, synapomorphy: endosymbiosis with
cyanobacterium
Mycetismus - ANSWERmushroom poisoning
Mycotoxicosis - ANSWERpoisoning by a fungal toxin released in food
Mycoallergies - ANSWERfungal allergies
lignin - ANSWERthe waterproofing and stiffening molecule in secondary plant cell
walls
brown rot - ANSWEReats cellulose, leaves lignin behind
white rot - ANSWEReats lignin, leaves cellulose behind
predator/prey - ANSWERrelationship in which one organism eats another
saprophtye - ANSWERAn organism that feeds on dead matter
, parasitic - ANSWERgets their nutrition from living organisms, harming the host
Evolution - ANSWERchange in allele frequencies in a population over time
Mechanisms of Evolution - ANSWERmutation, natural selection, gene flow, genetic
drift, non-random mating
Mutation - ANSWERa change in DNA sequence, usually occurring because of errors
in replication or repair
Natural Selection - ANSWERthe process of differential survival and reproduction of
individuals due to differences in phenotype
Gene Flow - ANSWERmovement of individuals and/or the genetic material they
carry, from one population to another (migration)
Genetic Drift - ANSWERvariation in the relative frequency of different genotypes
owing to the chance disappearance of particular genes as individuals die or do not
reproduce
Speciation Event - ANSWERdivision of one species into 2
Clade - ANSWERgroups of close relatives or monophyletic groups (share a common
ancestor)
Homology - ANSWERcharacter similarity that results from common ancestry
homoplasious - ANSWERdifferent lineages may evolve similar features
independently
nonhomologous - ANSWERcharacters that are similar but do not share a common
ancestor
homoplasy - ANSWERsimilar characteristic not caused by common ancestor
(convergent evolution)
Homeostatisis - ANSWERthe maintenance of a constant internal state in a changing
environment
metabolism - ANSWERrelease energy from other sources
Viruses - ANSWERtiny particles composed of genetic material surrounded by a
protein capsid
Progressive - ANSWERpieces of genetic material capable of moving within a
genome gained the ability to exit one cell and enter another
Regressive - ANSWERsimplification of formerly free-living organisms becoming
parasitic to the point of losing the ability to independently replicate
QUESTIONS & ANSWERS 100%
SOLVED
Biological Hierarchy - ANSWERdomain, kingdom, phylum, class, order, family,
genus, species
Sexual Dismorphism - ANSWERgenders look different
mycosis - ANSWERfungal infection
Amoebozoa - ANSWERsynapomorphy: amoeboid morphology, lobe-like
pseudopodia for feeding
Opisthokonta - ANSWERsynapomorphy: flat cristae in mitochondria, single posterior
flagellum
Metamonada - ANSWERsynapomorphy: many body planes (cell morphologies),
often within multiple flagella in clusters of 3-4
Algae - ANSWERphotosynthetic eukaryotes that are not land plants and they are not
a monophyletic group
Archaeplastida - ANSWERearly plastid, synapomorphy: endosymbiosis with
cyanobacterium
Mycetismus - ANSWERmushroom poisoning
Mycotoxicosis - ANSWERpoisoning by a fungal toxin released in food
Mycoallergies - ANSWERfungal allergies
lignin - ANSWERthe waterproofing and stiffening molecule in secondary plant cell
walls
brown rot - ANSWEReats cellulose, leaves lignin behind
white rot - ANSWEReats lignin, leaves cellulose behind
predator/prey - ANSWERrelationship in which one organism eats another
saprophtye - ANSWERAn organism that feeds on dead matter
, parasitic - ANSWERgets their nutrition from living organisms, harming the host
Evolution - ANSWERchange in allele frequencies in a population over time
Mechanisms of Evolution - ANSWERmutation, natural selection, gene flow, genetic
drift, non-random mating
Mutation - ANSWERa change in DNA sequence, usually occurring because of errors
in replication or repair
Natural Selection - ANSWERthe process of differential survival and reproduction of
individuals due to differences in phenotype
Gene Flow - ANSWERmovement of individuals and/or the genetic material they
carry, from one population to another (migration)
Genetic Drift - ANSWERvariation in the relative frequency of different genotypes
owing to the chance disappearance of particular genes as individuals die or do not
reproduce
Speciation Event - ANSWERdivision of one species into 2
Clade - ANSWERgroups of close relatives or monophyletic groups (share a common
ancestor)
Homology - ANSWERcharacter similarity that results from common ancestry
homoplasious - ANSWERdifferent lineages may evolve similar features
independently
nonhomologous - ANSWERcharacters that are similar but do not share a common
ancestor
homoplasy - ANSWERsimilar characteristic not caused by common ancestor
(convergent evolution)
Homeostatisis - ANSWERthe maintenance of a constant internal state in a changing
environment
metabolism - ANSWERrelease energy from other sources
Viruses - ANSWERtiny particles composed of genetic material surrounded by a
protein capsid
Progressive - ANSWERpieces of genetic material capable of moving within a
genome gained the ability to exit one cell and enter another
Regressive - ANSWERsimplification of formerly free-living organisms becoming
parasitic to the point of losing the ability to independently replicate
