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WorksheetsUnit 6: Evolution
Total questions: 41
Worksheet time: 33mins
Name
Class
Date
1.
What type of speciation involves isolation due to behavior such as sexual selection or habitat differentiation?
a)
Allopatric
b)
Sympatric
c)
Both
2.
The theory of Endosymbiosis explains
a)
The origin of eukaryotes
b)
How species develop
c)
How bacteria live
d)
Why cells rely on one another
3.
____________ & _________________ are organelles that were believed to be engulfed by a prokaryote millions of years ago through a process known as endosymbiosis.
a)
Rough ER & Smooth ER
b)
Mitochondria & Flagellum
c)
Chloroplast & Mitochondria
d)
Chloroplast and Golgi apparatus
4.
A newly identified organism has four limbs and amniotic eggs with shells. Which organism do they most likely share a common ancestor with?
a)
ray-finned fish
b)
birds
c)
rodents
d)
amphibians
5.
In a population that is in Hardy-Weinberg equilibrium, the frequency of a particular recessive allele a is .4. What is the percentage of the population heterozygous for this allele?
a)
4 percent
b)
16 percent
c)
32 percent
d)
48 percent
6.
in one region of New Jersey there exists two distinct types of one species of snake
a)
disruptive selection
b)
geographic isolation
c)
mechanical isolation
d)
neutral variation
7.
The differences in sparrow songs among sympatric species of sparrows are examples of
a)
geographic isolation
b)
convergent evolution
c)
behavioral isolation
d)
mechanical isolation
8.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
9.
A common ancestor for both C and E could be at position __.
a)
1
b)
2
c)
3
d)
4
10.
In a population of humans, the frequency of no dimples is 0.36. If having no dimples is the recessive phenotype, what is the frequency of the recessive allele?
a)
0.6
b)
0.36
c)
0.64
d)
0.18
11.
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
12.
Which three animals are most distantly related?
a)
The elephant, Manatee, and Yellow Frog
b)
The Yellow Frog, Salamander, and Bird
c)
The Lungfish, Crocodile, and Bird
d)
The Elephant, Lungfish, and Crocodile
13.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
14.
Why is the fossil record incomplete?
a)
fossils get eroded away over time
b)
most organisms never became fossils
c)
scavengers and decomposers eat them too quickly
d)
all of the above
15.
Which of the following statements is correct based on the information shown in this cladogram?
a)
the turtle and the frog are more similar to each other than the turtle and the bass
b)
frogs have existed for a longer time that bass
c)
the frog is more closely related to the bass than to the leopard
d)
the bass is exinct
16.
Which of the following is an example of gene flow?
a)
A subordinate wolf successfully challenges the alpha male and mates with pack females
b)
A deer picks up spores from a plant as it grazes and deposits them next to that plant.
c)
A young stallion is driven out of its herd by the alpha stallion and begins its own herd in another location
d)
All of these answers
17.
Which of the following is the LEAST inclusive?
a)
kingdom
b)
species
c)
family
d)
domain
18.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
19.
The two extant species that are closely related to each other are __.
a)
A and B
b)
B and C
c)
C and D
d)
D and E
20.
The diagram below shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil 1 and 3 are the same age.
b)
Fossil 2 is older than fossil 3.
c)
Fossils 2 and 4 are the same age.
d)
Fossil 4 is older than fossil 3.
21.
Which of the following is a proper example of natural selection?
a)
Human beings continue to get taller because of thousands of years of proper nutrition.
b)
A community of lady bugs begin having offspring with darker shells, so that they can hide from predators.
c)
Albino rodents die off quickly in a community, being more vulnerable to certain pancreatic cancers.
d)
Seagulls begin to eat so many fish, that only those with a dark blue scale color survive.
22.
Many fossils of large amphibians were found in an area that is currently barren desert. Which is most likely true?
a)
The climate of the area was once much wetter than it is now.
b)
Amphibians were once better at surviving in dry environments.
c)
The amphibians migrated there after a catastrophic event destroyed their habitats.
d)
The amphibians are not native to the area and their bones were brought there by other animals.
23.
What type of natural selection is this?
a)
Disruptive Selection
b)
Directional Selection
c)
Stabilizing Selection
d)
Sexy Selection
24.
Which of the following explains how natural selection causes a trait to become dominant in a population?
a)
Individuals with traits that are favorable to the environment reproduce more.
b)
Traits of an individual change in order to adapt to changes in enviornment.
c)
organisms select which traits they wish to inherit
d)
all of these answers
25.
Which of the following evolutionary forces can introduce new genetic variation into a population?
a)
natural selection and non-random mating
b)
natural selection and genetic drift
c)
mutation and non-random mating
d)
mutation and gene flow
26.
Using the cladogram: a common ancestor of amphibians and ray-finned fish would have
a)
a bony skeleton
b)
four limbs
c)
scaly skin
d)
eggs with shells
27.
Evidence of evolution? Giraffes have the same number of vertebrae in the neck as do humans?
a)
comparative anatomy
b)
comparative biochemistry
c)
comparative embryology
d)
geographic distribution
28.
Evidence of evolution? Humans and sea stars both have radial cleavage in the early embryonic development.
a)
comparative embryology
b)
comparative anatomy
c)
comparative biochemistry
d)
geographic distribution
29.
Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?
a)
small population
b)
no gene flow
c)
no mutations
d)
no selection
30.
variations in a population are maintained by
a)
mutations
b)
genetic recombination
c)
gene flow
d)
all of the above
31.
Which of the following is not involved in natural selection?
a)
competition for resources
b)
differences in reproductive success
c)
inheritable variation in populations
d)
breeder selects traits
32.
A migratory bird unknowingly accumulates a few seeds of the hwagha plant in her feathers and drops them in an area where those plants did not live before. This is an example of
a)
Founder Effect
b)
Predation
c)
Bottleneck Effect
d)
Migration
33.
All of the following are prezygotic barriers except
a)
reproductive isolation
b)
geographic isolation
c)
mechanical isolation
d)
reduced hybrid fertilitly
34.
What type of speciation involves reproductive isolation?
a)
Allopatric
b)
Sympatric
c)
Both
35.
In convergent evolution, organisms share physical similarities because they
a)
have a common ancestor
b)
live in similar environments
c)
develop homologous structures
d)
are closely related
36.
Human newborns usually weigh between 6-8 pounds
a)
stabilizing selection
b)
directional selection
c)
disruptive selection
d)
sexual selection
37.
If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population would you predict would be heterozygous?
a)
70%
b)
30%
c)
42%
d)
49%
38.
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
39.
Rocky Mountain juniper (Juniperus scopulorum) and one seeded juniper (J. monosperma) have overlapping ranges. IF pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species, then which of these terms is applicable?
a)
reduced hybrid viability
b)
hybrid breakdown
c)
behavioral isolation
d)
mechanical isolation
40.
Who is most closely related to Taxidea taxus?
a)
Lutra lutra
b)
Panthera pardus
c)
Canis latrans
d)
Canis lupus
41.
If a plant has vascular tissue but no seeds, which of the four plant groups here would it fall into?
a)
Ferns
b)
Cone-bearing plants
c)
Mosses
d)
Flowering plants
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