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JMU BIO 150 Comprehensive Final Exam Graded A+
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JMU BIO 150 Comprehensive Final Exam Graded A+
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JMU BIO 150 Comprehensive Final Exam2024-2025 Graded A+
A overlap in niche causes what? - ANSWER-competition
A phylogeny is a ___________ based on the information at hand - ANSWER-
hypothesis
A population requires what? - ANSWER-possibility for genetic exchange in contiguous
areas of inhabitation
Animals use what type of communication between cells? - ANSWER-gap junctions
Asexual/Sexual: 1 individual make a offspring - ANSWER-both
Asexual/Sexual: 2 individuals make an offspring - ANSWER-sexual
Asexual/Sexual: DNA replication - ANSWER-both
Asexual/Sexual: fertilization of a zygote - ANSWER-sexual
Asexual/Sexual: gamates - ANSWER-sexual
Asexual/Sexual: miosis - ANSWER-sexual
Asexual/Sexual: mitosis - ANSWER-both
Asexual/Sexual: offspring identical to parent - ANSWER-asexual
Bacteria, Archea, & Eukarya: cell wall structure - ANSWER-bacteria: peptidoglycan
archea: varied
eukarya: some-chitin or cellulose
Bacteria, Archea, & Eukarya: circular chromosomes - ANSWER-bacteria and archea
Bacteria, Archea, & Eukarya: DNA in nucleus - ANSWER-only eukarya
Bacteria, Archea, & Eukarya: organelles - ANSWER-only eukarya
Bacteria, Archea, & Eukarya: RNA polymerase has >10 subunits - ANSWER-bacteria:
no
archea & eukarya: yes
,Bacteria, Archea, & Eukarya: type of reproduction - ANSWER-bacteria & archea:
asexual
eukarya: sexual (some asexual)
Bacteria, Archea, & Eukarya: typical cell size - ANSWER-bacteria & archea: small
eukarya: large
Define abiotic factors - ANSWER-biological or living systems components
Define acquired resistance - ANSWER-genetic change that leads to bacteria becoming
resistant to an antibiotic
Define adapatation - ANSWER-inherited trait that enhances the fitness of an individual
in a given environment
Define adaptive change - ANSWER-change in response to the environment's "natural
selection:
Define adaptive radiation - ANSWER-the rapid diversification of a group of organisms
into forms filling different ecological niches via sympatry
Define aerobic - ANSWER-requires or can use oxygen
Define albedo - ANSWER-the percentage of incoming sunlight that is reflected from a
surface
Define allocation - ANSWER-division of limited time, energy, or nutrients among
competing functions or requirements
Define allopatric model - ANSWER-separation due to geographic isolation
Define altruism - ANSWER-unselfish regard for the welfare of others
Define anaerobic - ANSWER-does not require or cannot tolerate oxygen
Define analogous trait - ANSWER-arise when groups independently adapt to similar
environments in similar ways
Define artificial selection - ANSWER-form of directional selection where given traits are
selected for by humans
Define asexual reporduction - ANSWER-produces offspring that are genetically identical
to the parent
Define asexual reproduction - ANSWER-a single organism produces offspring identical
to itself
, Define autotrophs - ANSWER-manufacture their own building-block compounds
Define background extinction - ANSWER-standard rate of extinction
Define balancing selection - ANSWER-occurs when 2 distinctly different polymorphis
occur exist in relatively equal frequencies
Define behavioral isolation - ANSWER-unique behavioral patters and rituals isolate
species
Define binary fission - ANSWER-A form of asexual reproduction in which one cell
divides to form two identical cells.
Define binary fission - ANSWER-cells separate, resulting in two daughter cells which
are identical to each other and the original parent cell
Define biodiversity - ANSWER-the diversity of plant and animal life in a particular habitat
(or in the world as a whole)
Define biogeography - ANSWER-study of where organisms live, now and historically
Define biological fitness - ANSWER-the relative survival and reproduction of one variant
compared to others in the same population
Define biological race - ANSWER-populations of a single species that have diverged
from each other
Define biological species concept - ANSWER-one or more populations whose members
interbreed under natural conditions & produce fertile offspring
Define biotic factors - ANSWER-physical or non-living system features
Define bottleneck effect - ANSWER-reduction in population size due to a disturbance
Define broadcast spawning - ANSWER-spews gametes into the water and is used by
those who can not move to find a mate
Define bryophytes - ANSWER-non vascular plants like mosses must diffuse water into
the cells pressed up against moist substrate
Define budding - ANSWER-miniature of parent
Define bulk feeding - ANSWER-ingest large pieces of food
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