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Bio 100 Exam 3 (Jaeger UNLV); Questions & Answers 100% Verified
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Bio 100 Exam 3 (Jaeger UNLV); Questions & Answers 100% Verified biotic potential Correct answer-most populations are capable of producing more offspring then can be supported by the environment heritable Correct answer-pass it onto the next generation Evolution of acquired characters Correc...

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  • August 8, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 100 exam 3 jaeger unlv
  • questions answers 100 verified

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Bio 100 Exam 3 (Jaeger UNLV); Questions &
Answers 100% Verified
biotic potential Correct answer-most populations are capable of producing more
offspring then can be supported by the environment




heritable Correct answer-pass it onto the next generation




Evolution of acquired characters Correct answer-overtime, an organism could acquire
enough changes that one species could diverge into two

this branching extended back in time, ancestral species to ancestral species and so on




Five agents of evolution: Correct answer-natural selection

sexual selection

gene flow

genetic drift

mutation




gene flow Correct answer-the movement of alleles from one population to another by
migration




gene flow introduces Correct answer-'novel' alleles to a population from some other
population

, Bio 100 Exam 3 (Jaeger UNLV); Questions &
Answers 100% Verified
genetic drift Correct answer-chance alteration of allele frequencies in a population




founder effect Correct answer-colonization of new habitat y a few individuals that give
rise to a new population. note: founding individuals do not represent the total genetic variation
in original population




genetic drift - population bottleneck Correct answer-survival is random, surviving
individuals do not represent the genetic diversity of the original population, new population
arises




sexual selection Correct answer-differential reproductive success based on differences in
the success of obtaining mates

-female mate choice

-male dominant systems

-both are non random mating




allopatric speciation Correct answer-occurs when the geographical range of a species is
split into discontinuous parts by formation of barriers to gene flow

--populatioins become isolated in different arears




Evolutionary Tree--Ancestral characters Correct answer-characters existed in the common
ancester

, Bio 100 Exam 3 (Jaeger UNLV); Questions &
Answers 100% Verified

Evolutionary Tree--Derived characters Correct answer-characters unique to a certain
group




tissue Correct answer-a group of cells of a similar type that work together for a common
purpose




four types of tissue Correct answer-epithelial

connective

muscle

nervous




Epithelial Correct answer-covers body surfaces, lines cavities and organs




Three basic shapes of Epithelial Tissue Correct answer-squamous

cuboidal

columnar & in simple (single layer) or stratified forms




connective tissue Correct answer-most abundant tissue

binds-tendons and ligaments

supports-cartilage, bones

, Bio 100 Exam 3 (Jaeger UNLV); Questions &
Answers 100% Verified
transports-blood

stores energy-adipose tissue (fat)




Connective tissue defined Correct answer-cells embedded in extracellular matrix
composed of protein fibers and ground substances




3 proper connective tissues Correct answer-areolar

adipose

dense




areolar Correct answer-widely distributed; under skin, around organs and muscles ----for
structure and cushioning




adipose Correct answer-(fat) under skin, around organs;

function; energy storage, insulation, cushioning




dense Correct answer-tendons and ligaments

---attach bone to muscle or bone to bone




3 special connective tissues Correct answer-cartilage

bone

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