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Worksheetseoc review 1
Total questions: 65
Worksheet time: 1hrs 16mins
Name
Class
Date
1.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
2.
The difference in the physical traits of an individual from those of other individuals in a group is called a(n)
a)
change
b)
adaption
c)
species
d)
variation
3.
which of the folllowing is an exammple of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the wings of an ostrich
4.
which of the folllowing is an exammple of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the wings of an ostrich
5.
What is suggested by the similarity of early embryos of different species of vertebrates?
a)
no evolutionary relationships between the groups
b)
recent common ancestry
c)
similar environments in the past
d)
evolution froma distant common ancestor
6.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
7.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
8.
Genetic variation can arise from a random change in the DNA of a gene. The change is called a(n)
a)
mutation
b)
gene flow
c)
gene pool
d)
allele
9.
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.
An earthquake causes an ocean channel top open and separate an island into two. the species on each section are now in
a)
geographic isoliation
b)
behavioral isolation
c)
disruptive selection
d)
temporal isolation
11.
What kid of isolation occurs when two populations of birds have different courtship dances?
a)
geographic
b)
sexual
c)
temporal
d)
behavioral
12.
two species are in different environments and look very similar. However, that are not closely related (analogous). Their resemblance is most likely an example of.
a)
sexual selection
b)
temporal isolation
c)
convergent evolution
d)
divergent evolution
13.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
14.
Favors the middle of the population.
a)
Disruptive selection
b)
Stabilizing selection
c)
Directional selection
15.
The entire curve moves in one direction or the other. Red is previous, blue represents the change.
a)
Stabilizing selection
b)
Disruptive selection
c)
Directional selection
16.
How would you describe this evolution?
a)
Homologous structure
b)
Analogous structure
c)
Structural adaption
d)
Functional adaption
17.
Which of the following ideas proposed by Lamarck was later found to be incorrect?
a)
Acquired characteristics can be inherited
b)
All species are descended from other species
c)
Living things change over time
d)
There is a relationship between an organism and its environment
18.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
Individuals will only create offspring well-suited to the climate change
b)
The individuals would produce more offspring
c)
Individuals better suited to the new climate will help less-suited individuals survive
d)
Some individuals will posses traits better suited to the new climate and be more likely to pass them on
19.
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
20.
The idea that evolution seems to occur in spurts of time.
a)
stabilizing selection
b)
directional selection
c)
disruptive selection
d)
puntuated equilibrium
21.
Intermediate fossil forms are important evidence of evolution because they show
a)
how organisms change over time
b)
how animals behaved in their environments
c)
how the embryos of organisms develop
d)
molecular homologies
22.
A farmer's use of the best livestock for breeding is an example of
a)
natural selection
b)
artificial selection
c)
extinction
d)
adaptation
23.
The combined genetic information of all members of a particular population forms a
a)
gene pool
b)
niche
c)
phenotype
d)
population
24.
How does genetic recombination through sexual reproduction (randomness of sperm fertilizing egg) affect variation?
a)
increases it
b)
decreases it
c)
maintains it
25.
If coat color in a rabbit population is a polygenic trait, which process might have produced the graph below?
a)
disruptive selection
b)
stabilizing selection
c)
directional selection
d)
genetic equilibrium
26.
If species A and B have very similar genes and proteins, what is probably TRUE?
a)
species A and B share a relatively recent common ancestor
b)
species A evolved independently of species B for a long period
c)
species A is younger than species B
d)
species A is older than species B
27.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
28.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
29.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
30.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
31.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
32.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
33.
Which of the following would be the definition of a detritivore?
a)
Animals that eat insects.
b)
Organisms that feed on rocks, recycling the nutrients back into the ground.
c)
Organisms that eat only pants
d)
Things that feed on dead organisms, recycling the nutrients back into the ground.
34.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
35.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
36.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
37.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
38.
Organisms that feed on both living producers and other consumers.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritivores
39.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
40.
Which of the following words means birth rate?
a)
Natality
b)
Mortality
c)
Emigration
d)
Immigration
41.
What do you call a period of rapid growth?
a)
Exponential growth
b)
Logistic growth
c)
Emigration
d)
Mortality
42.
This is what happens as a population approaches carrying capacity and individual organisms from the population leave and go to a new area where they can find enough resources for survival and reproduction?
a)
Competition
b)
Predation
c)
Emigration
d)
Immigration
43.
Consumer that eats animals or meat
a)
carnivore
b)
omnivore
c)
consumer
d)
producer
44.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
45.
The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem
a)
producer
b)
biotic factors
c)
ecosystem
d)
niche
46.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
47.
plants and animals that have migrated to areas where they did not originate; often displace native species by out-competing them for resources
a)
acid rain
b)
biochemical magnification
c)
invasive (non-native) species
d)
nitrogen fixation
48.
the process by which a new community forms where no community lived before
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
49.
growth in which the number of individuals in a population gets a lot bigger in each time period that follows
a)
primary succession
b)
exponential growth
c)
succession
d)
carrying capacity
50.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
51.
Most scientists classify viruses as ...
a)
living
b)
non-living
52.
These are parts of the virus, except:
a)
cell membrane and cytoplasm
b)
inner core with genetic material
c)
capsule that protects genetic material
d)
viral envelope for some viruses
53.
How are viruses named?
a)
a. for the disease they cause
b)
b. for geographic location where they were discovered
c)
c. following the binomial nomenclature rules (genus + species)
d)
a and b are correct
54.
Which statement is TRUE about virus reproduction?
a)
Viruses can reproduce on their own
b)
Viruses need a host cell to reproduce
c)
Viruses live in host cells, but do not use their machinery to reproduce
55.
What does the term "epidemic" mean?
a)
Global outbreak
b)
Outbreak in a certain area, like a state or country
c)
none of the other options
56.
Which statement about DNA is TRUE?
a)
It stands for Deoxyribonucleic Acid
b)
It is in the shape of a single helix
c)
The bases present in DNA are A, U, C and G
d)
It is composed of nucleotides, that are phosphate, ribose and base
57.
Replication is when DNA makes a copy of itself. If we have this sequence on one side of the DNA: AAT CCG GTA , what would be the complementary sequence? (the other side of the DNA)
a)
TTA GGC CAT
b)
TTA CCG CAT
c)
AAT CCG GTA
d)
TTA GGC GTA
58.
In DNA sequences, ADENINE always pairs with
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
59.
What is NOT a difference between DNA and RNA?
a)
DNA - double strand, RNA - single strand
b)
DNA - deoxyribose sugar, RNA ribose sugar
c)
DNA - A T C G ; RNA - A U C G
d)
DNA - A U C G ; RNA - A T C G
60.
Mutation that causes a disability or defect:
a)
beneficial
b)
harmful
c)
neutral
61.
Mutation that does not benefit nor harm the organism:
a)
beneficial
b)
harmful
c)
neutral
62.
What is the RNA complementary sequence to the following DNA section: TTC GAA CTA
a)
AAG CTT GAT
b)
AAG CUU GAU
c)
TTC GAA CTA
63.
a)
The first mutation is deletion
b)
The second mutation is deletion
c)
The third mutation is deletion
64.
a)
The first mutation is addition/insertion
b)
The second mutation is addition/insertion
c)
The third mutation is addition/insertion
65.
a)
The first mutation is substitution
b)
The second mutation is substitution
c)
The third mutation is substitution
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