question

Which of the following is more fit?

answer

500 year old bristlecone pine trees hat produces 100 offspring

question

All of the following are true of evolution, Except

answer

individual adapt their fiend to improve survival

question

Which is necessary for natural selection to proceed?

answer

all of the above

question

Natural selection causes

answer

changes in allele frequencies within a pop

question

All of the following are true of natural selection, except

answer

works best in genetically uniform pop

question

Natural selection that favors survival of extreme phenotypes of a population is called

answer

diversifyng selection

question

When extreme phenotypes are selected against and disappear, which pattern of natural selection is at work?

answer

stabilizing selection

question

Allele frequencies of a population can change by

answer

all of the above

question

The biological species concept defines a species as

answer

member of a pop that interbreed and produce fertile offspring

question

Frog species mate at different times of the year. this is an example of which type of reproductive isolation?

answer

temproal isolation

question

Reproductive isolation based on location or geography is referred to as

answer

ecolgoical isolation

question

Pollen from a tomato plant lands on a grapefruit flower. The pollen fails to grow a pollen tube. an example of

answer

gametic isolation

question

Which of the following can influence the evolution of species

answer

all of the above

question

Which of the following best points to a close evolutionary relationship between two different species?

answer

both species have very similar DNA

question

The proportion of alleles present in a gene pool is called the _____________ and is an important tool in measuring evolutionary changes

answer

allele frequency

question

In an population of 100 mice, if the recessive allele frequency is 0.25 how many copies of the recessive alleles are found in the population?

answer

50

question

Which of the following does not influence allele frequencies in a population?

answer

all of the above influence allele freq in a pop

question

Inbreeding can lead to a decrease in genetic diversity and __________

answer

inbreeding depression

question

Which of the following is not an example of adapive evolution?

answer

all choices are non-adaptive

question

You examine a pop. and note that its allele frequencies for a particular gene are p+0.55 and q+0.45. if you com back and examine the pop after several generations and found that values for p and q have not changed? which is false?

answer

the pop is evolving

question

IF you examine a pop for a particulate gene where B is dominant allele and b is recessive allele, you did the allee frequencies for this gene are p=0.3 and q=0.7.

answer

0.42

question

situations would represent a situation that reduces the effect of genetic drift?

answer

pop is very large

question

Which of the following conditions can lead to 2 pop becoming different species?

answer

all of the above can lead to speciation

question

If you examine the gene poll of pop that is evolving sure to genetic drift what do you predict will occur

answer

there is no way to tel how p or q will change

question

Which is false?

answer

13 diff species of finches flew to the galapagos islands and speared themselves in response to different food enviromnets

question

All of Darwin's finches came from a single species with a normal beak. Which factors can explain the development of the variety of beaks seen in finches today?

answer

a,b,c

question

dating of fossils is false?

answer

fossils can be dated using a microscope to examine tissue

question

least likely to result in a fossil

answer

a jelly fish that dies and slowly floats to the botton of the ocean

question

changes in the evolutionary history of horses is documented by the fossil record

answer

gradual decreas in the number of toes

question

characteristics would be expected to apply to a transitional fossil

answer

b,c

question

tiktaalik in the correct evolutionary order?

answer

lobe-finned fish,t,tetrapods

question

vertebrate evolution-tiktaalik that we didnt know before

answer

how vertebrates evolved tetrapod limbs

question

forelimb of a chicken in a primate contain many of the same bones arrange in the same order. an example of

answer

homology

question

variation in shape and function of the forelimb in tetrapods is a result of _____

answer

evolutionary adaptions to different environments

question

an organisms fitness depends on

answer

ability to survive and reproduce

question

which is not a pattern of natural selection

answer

all are patterns of natural selection

question

which of the following factors is not going to affect how natural selection acts on a given group of organisms

answer

all of the above are correct

question

hardy-Weinberg equilibrium

answer

p squared plus two p q plus 9 squared equals 1

question

five necessary conditions for equilibrium

answer

no mutation introducing new allels into the population, no natural selection favoring some alleles over others, infinitely large population size, no influx of alleles from neighboring populations, random mating of individuals

question

ecological isolation

answer

different environments

question

temporal isolation

answer

fertility at different times

question

behavioral isolation

answer

different mating activities

question

mechanical

answer

mating organs are incompatible

question

gametic

answer

gametes cannot reunite

question

hybrid inviability

answer

no viable offspring can form

question

hybrid infertility

answer

viable hybrid offspring cannot reproduce

question

The collection of ___ in a population constitutes that population's gene pool

answer

alleles

question

the proportion of alleles present in a gene pool is called the ___ and is an important tool in measuring evolutionary changes

answer

allele frequency

question

which of the following situations would represent a situation that reduces the effect of genetic drift

answer

the population is very large

question

which of the following is not an example of adaptive evolution

answer

all choices are non adaptive

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