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WorksheetsBio B: Population Genetics and Human Evolution
Total questions: 46
Worksheet time: 35mins
Name
Class
Date
1.
There was once a large population of cheetah, but about 12,000 years ago most of the cheetahs were killed off by random chance. What is this an example of?
a)
Genetic Drift
b)
Hardy Weinberg Effect
c)
Founder Effect
d)
None of These
2.
When a population is in Hardy-Weinberg Equilibrium. What is not happening to the species?
a)
Survival
b)
Reproduction
c)
Death
d)
Evolution
3.
Sexual selection is a type of...
a)
Natural Selection
b)
Mutation
c)
Small Population Size
d)
Nonrandom Mating
4.
This consists of all genes, including all the different alleles for each gene, in a population.
a)
Allele Frequency
b)
Gene pool
c)
Jean pool
d)
Population frequency
5.
What type of selection does the image represent?
a)
Directional
b)
Stabilizing
c)
Disruptive
6.
What type of selection does the image represent?
a)
Directional
b)
Stabilizing
c)
Disruptive
7.
What type of selection does the image represent?
a)
Directional
b)
Stabilizing
c)
Disruptive
8.
Genetic drift is most likely to impact a population....
a)
That has a low mutation rate
b)
In which natural selection is occurring
c)
That is very small
d)
For which environmental conditions are changing
9.
_______ occurs when members of a species are separated by a physical barrier.
a)
Temporal isolation
b)
Geographic isolation
c)
Behavioral isolation
d)
Sexual isolation
10.
Disruptive selection will favor...
a)
Both extremes of a trait.
b)
Average traits.
c)
One phenotype over another.
d)
All possible phenotypes
11.
Directional selection will favor...
a)
Both extremes of a trait.
b)
Average traits.
c)
One phenotype over another.
d)
All possible phenotypes
12.
In a population of 1000 mutated sea bass, 100 are color-blind (a recessive disorder). What percentage are aa?
a)
20%
b)
.10
c)
10%
d)
32%
13.
What must members of the same population be able to do?
a)
Create fertile offspring
b)
Fight each other
c)
They must look the same
d)
They must act the same
14.
What type of selection is this?
a)
Disruptive
b)
Directional
c)
Stabilizing
15.
Although their large and elaborate tail feathers make male peacocks more conspicuous to predators and hinder their ability to fly, female peacocks prefer bright colored tails in mates. What is this an example of?
a)
Sexual Selection
b)
Gene Flow
c)
Genetic Drift
d)
No Mutations
16.
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
17.
Which mechanism is known as any change in the allelic frequencies in a population that is due to random events?
a)
genetic drift
b)
gene flow
c)
mutation
d)
nonrandom mating
18.
Which mechanism is known as individuals moving in and out of a population (migration, immigration)?
a)
genetic drift
b)
gene flow
c)
mutation
d)
nonrandom mating
19.
Which mechanism is known as random change in population’s gene pool, changes to the DNA?
a)
genetic drift
b)
gene flow
c)
mutation
d)
nonrandom mating
20.
What is defined as a group of organisms that have grasping hands and feet as well as forward placement of eyes; descended from common, shrew-like mammal ancestor?
a)
primates
b)
anthropoids
c)
hominoids
d)
hominins
21.
Which group is characterized as human-like primates?
a)
primates
b)
anthropoids
c)
hominoids
d)
hominins
22.
Which group contains monkeys, gorillas, and humans?
a)
primates
b)
anthropoids
c)
hominoids
d)
hominins
23.
What is defined as all non-monkey anthropoids?
a)
primates
b)
anthropoids
c)
hominoids
d)
hominins
24.
What is defined as human-like primate that appears to be more closely related to present-day humans than to present-day chimpanzees?
a)
primates
b)
anthropoids
c)
hominoids
d)
hominids
25.
What term is defined by swinging from the shoulder joint?
a)
Brachiation
b)
Bipedalism
c)
Primates
d)
Arboreal
26.
What species is thought to overlap in time and geography with Homo neanderthalensis?
a)
Homo habilis
b)
Homo erectus
c)
Homo sapiens
27.
Which hominid genus came first - Australopithecus or Homo?
a)
Australopithecus species
b)
Homo species
28.
The ability to walk on two rear legs.
a)
archaeology
b)
primate
c)
collective learning
d)
bipedalism
29.
What method are great apes known to use for movement on the ground?
a)
Knuckle-walking
b)
Brachiation
c)
Opposable Thumbs
d)
Bipedalism
30.
Which of these is not a primate?
a)
monkey
b)
chimpanzee
c)
human
d)
panda
31.
Which of the following is NOT a shared primate characteristic?
a)
opposable thumbs
b)
forward facing eyes
c)
ability to rotate neck 270 degrees
d)
color vision
32.
Most prosimians are
a)
nocturnal
b)
confined to the mountains of Europe
c)
cave dwellers
33.
Old World Monkeys are located in
a)
Asia and Africa
b)
South America
c)
Austrailia
34.
The tail on New World Monkeys
a)
Is insignificant
b)
Is smaller than that of apes
c)
Is for sexual selection
d)
Is Prehensile
35.
Baboons are an example of
a)
apes
b)
old world monkeys
c)
new world monkeys
d)
lemurs
36.
A hominid is
a)
a bipedal primate
b)
the predecesor of apes
c)
similar to primates
d)
An ancient ancestor to all mammals
37.
Hominids appear, based on fossil evidence, to have first evolved from
a)
East Africa
b)
Asia
c)
Siberia
d)
Deep in the Brazilian rain forest
38.
Which of the following is not an example of a prosimian?
a)
baboon
b)
lemur
c)
lorises
d)
tarsiers
39.
The main differentiating characteristic of apes is their
a)
opposable thumbs
b)
lack of tail
c)
wet nose
d)
furry faces
40.
Humans and closely related species (most/all now extinct) that typically walk on two legs are called...
a)
hominids
b)
australopithicans
c)
chimps
d)
bonobos
41.
Scientists think that the closest living relative to humans are...
a)
lemurs
b)
monkeys
c)
gorillas
d)
chimpanzees
42.
Early migrations of Homo Sapiens began in
a)
North Ameria
b)
East Africa
c)
Southern Europe
d)
Western Asia
43.
Humans evolved from chimpanzees
a)
True
b)
False
44.
All monkeys are apes
a)
True
b)
False
45.
All apes are primates
a)
True
b)
False
46.
All primate are hominids
a)
True
b)
False
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