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WorksheetsLHS Evolution, Speciation
Total questions: 19
Worksheet time: 20mins
Name
Class
Date
1.
T13. Which of the following must occur for speciation to happen?
a)
geographic isolation
b)
reproductive isolation
c)
temporal isolation
d)
behavioral isolation
2.
T13. The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent?
a)
biological isolation
b)
geographical isolation
c)
temporal isolation
d)
anatomical isolation
3.
T13. Gentoo penguins will present a mate with a pebble that they find to attract a mate. Emperor penguins have a specific call and movement that they make to attract a mate. Which type of isolation do these penguins demonstrate?
a)
temporal isolation
b)
behavioral isolation
c)
geographical isolation
d)
anatomical isolation
4.
T13. On island chains like the one shown below, animal populations that spread from the main island to the other islands can evolve into separate species. Which of the following best explains why speciation is favored in such a situation?
a)
Predators on the main island can easily migrate to follow the populations to the other islands.
b)
The physical separation of the islands from the main island limits gene flow and interbreeding between the populations.
c)
Lack of disease on the other island enables the populations to grow and change without limits.
d)
The climatic conditions of the islands allow the populations to breed all year long and produce several generations.
5.
T13. What is speciation?
a)
combining of tow species to form one with different traits
b)
isolation that affects mating behaviors
c)
timing of mating that prevents normal sexual selection
d)
divergence of two or more species from an existing one
6.
T13. Which is an example of temporal isolation?
a)
flowers that bloom in different months
b)
birds that have different mating calls
c)
fruit flies that mate in different locations
d)
squirrels that have different fur colors
7.
T14. The five-factors of speciation are gene flow, genetic drift, mutation, natural selection and ....
a)
sexual selection
b)
controlled mating
c)
emigration
d)
immigration
8.
T14. What increases genetic variation when animals move from one population to another
a)
genetic drift
b)
sexual selection
c)
bottleneck effect
d)
gene flow
9.
T14. Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
10.
T14. A chance occurrence that negatively affects a population because the population is small.
a)
genetic drift
b)
mutation
c)
speciation
d)
migration
11.
T14. When individuals choose traits possessed by the opposite sex it is called…
a)
Mutation
b)
Gene Flow
c)
Genetic Drift
d)
Sexual Selection
12.
T14. Which is a mechanism for change in allele frequency?
a)
gene flow
b)
genetic drift
c)
natural selection
d)
all answers are correct
13.
T14. A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
14.
T14. When a population is at Hardy-Weinberg equilibrium, the allele frequencies should remain constant. Which of the following populations is most likely experiencing Hardy-Weinberg equilibrium?
a)
When a population is at Hardy-Weinberg equilibrium, the allele frequencies should remain constant. Which of the following populations is most likely experiencing Hardy-Weinberg equilibrium
b)
In a spider population, the males with the most intricate courtship dance get selected as mates more quickly than other male spiders.
c)
In a mosquito population, being heterozygous for a given trait makes the individuals resistant to four viral infections
d)
In a large moth population, both red and orange moths are consistently abundant
15.
T15. The model that predicts evolution occurs in rapid bursts followed by long periods of no change is called...
a)
gradualism
b)
punctuated equilibrium
c)
adaptive radiation
d)
convergent evolution
16.
T15. If, like the horse, all of the transitional forms for a species are found in the fossil record, which model of evolution most likely occurred in that species?
a)
punctuated equilibrium
b)
gradualism
c)
adaptive radiation
d)
convergent evolution
17.
T15. The model that predicts evolution occurs at a slow, steady rate is called...
a)
gradualism
b)
punctuated equilibrium
c)
adaptive radiation
d)
convergent evolution
18.
T15. The hypothesis that evolution of a species occurs in periods of rapid change separated by periods of little or no change is called
a)
divergence
b)
gradualism
c)
punctuated equilibrium
d)
isolation
19.
T15. The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as
a)
speciation
b)
punctuated equilibrium
c)
gradualism
d)
microevolution
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