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WorksheetsEvolution and Natural selection
Total questions: 34
Worksheet time: 35mins
Name
Class
Date
1.
____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species
a)
natural selection
b)
artificial selection
c)
speciation
d)
adaptation
2.
Which of the following means "change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
isolation
3.
The differences among a species, like different bird beaks, are called
a)
theories
b)
variations
c)
adaptations
d)
genes
4.
___ are mistakes in the DNA that cause variation within a species.
a)
mutations
b)
adaptations
c)
speciations
d)
isolations
5.
Any inherited trait that gives an organism an advantage in its environment is called ___.
a)
a mutation
b)
an adaptation
c)
evolution
d)
natural selection
6.
The evolution of a new species from an existing species is ____.
a)
natural selection
b)
isolation
c)
speciation
d)
genetic variation
7.
Organisms with the most beneficial traits will survive. This is commonly known as ___.
a)
theory of evolution
b)
variations
c)
survival of the fittest
d)
ecosystems
8.
Why are advantageous traits more likely to be passed on to the offspring?
a)
Because parents with those traits can teach their offspring
b)
Because parents with those traits can survive and are more likely to reproduce and pass these advantageous traits on to their offspring
c)
Because parents with those traits care more about their offspring
9.
Who was the naturalist that traveled the world to study plants and animals?
a)
Albert Einstein
b)
Charles Darwin
c)
Charles Barkley
d)
Isaac Newton
10.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
11.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
a)
Evolution
b)
Variation
c)
Adaptation
d)
Natural Selection
12.
When an organism completely dies out, it is called.....
a)
Adaption
b)
Extinction
c)
Fossilization
d)
Mutation
13.
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
a)
Species
b)
Environmental Change
c)
Adaptation
d)
Variation
14.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
15.
The struggle for existence against other members of an organisms species is
a)
Competition
b)
Natural Selection
c)
gene flow
d)
genetic drift
16.
Remains of ancient organisms are called
a)
Extinctions
b)
Fossils
c)
Mutations
d)
Variations
17.
What is another name for natural selection?
a)
survival of the smartest
b)
survival of the fastest
c)
survival of the biggest
d)
survival of the fittest
18.
What is an organism that has similar characteristics and can reproduce?
a)
species
b)
organism
c)
embryology
d)
vestigial
19.
Definition: homologous structures
a)
remains of dead organisms
b)
related organisms have the same bone makeup
c)
in the early stages of development dogs, pigs, and humans resemble one another
20.
Definition: embryology
a)
remains of dead organisms
b)
related organisms have the same bone makeup
c)
in the early stages of development dogs, pigs, and humans resemble one another
21.
A species is an organism that has different traits and cannot _______ with other organisms.
a)
breed
b)
exist
c)
survive
d)
evolve
22.
The process of choosing parent organisms for desired characteristics is called
a)
natural selection
b)
Artificial selection
c)
random selection
d)
genetic manipulation
23.
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
24.
Evolved from different ancestors, but due to living in similar environments have a similar function.
a)
Homologous structures
b)
Analogous structures
c)
Vestigial structures
d)
All of the above
25.
The Table below shows the # of differences in amino acids in a protein called “Cytochrome C” when comparing humans to other organisms. The protein is used by many plants and animals to convert energy in cells.
List the 4 closest human relatives based on this biochemical comparison.
List the 4 closest human relatives based on this biochemical comparison.
a)
chimpanzee, horse, rattlesnake, snapping turtle
b)
chimpanzee, gorilla, rhesus monkey, horse
c)
fruit fly, bread mold, tuna fish, snapping turtle
d)
gorilla, rhesus monkey, rattlesnake, gorilla
26.
A population of cockroaches was sprayed with an insecticide. Some cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can BEST be inferred from this example?
a)
species will adapt no matter what the environment
b)
environment has no effect on the survival of an organism
c)
Individuals with favorable variations survive and reproduce
d)
Insecticides cause mutations that are passed on to the next generation
27.
What number is the common ancestor of C and D
a)
1
b)
2
c)
3
d)
4
28.
Structures or behaviors that help an
organism survive in its surroundings
organism survive in its surroundings
a)
adaptations
b)
inherited traits
c)
learned behaviors
d)
structural behaviors
29.
You look at two species and see very similar DNA. What does this likely tell you?
a)
These are the same animal.
b)
These animals have a common ancestor.
c)
These animals are not likely related.
d)
These animals are likely becoming one species.
30.
Do organisms "decide" to adapt?
a)
Yes, if they don't adapt they will die
b)
No, they can't adapt. They either have adaptations or they don't
c)
No, they adapt by random mutations during their lifetime
d)
Yes, they can force mutations in one lifetime
31.
In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur shown are
a)
examples of fossils
b)
acquired traits
c)
examples of natural variations
d)
homologous structures
32.
An adaptation is
a)
how animals change over time.
b)
a characteristic that helps an organism survive and reproduce
c)
a theory of how organisms change.
d)
the genes in an organism that determine how an organism is going to look.
33.
Which two organisms are the most closely related according to their DNA sequence?
Critter A--> ATG CTT AAC CCG TTA
Critter B--> ATC CTT TTC CCG TAA
Critter C--> ATG CTA TAG GCG TAA
Critter A--> ATG CTT AAC CCG TTA
Critter B--> ATC CTT TTC CCG TAA
Critter C--> ATG CTA TAG GCG TAA
a)
Critter A and B
b)
Critter A and C
c)
Critter B and C
d)
They are all equally related
34.
Antibiotics are frequently given to humans that have strep throat. Why might this practice be considered a problem?
a)
Antibiotics will have more side effects
b)
The human body can metabolize the antibiotic to quickly, not allowing the antibiotic to reach the bacteria.
c)
A mutation can occur in the bacteria making it resistant to the antibiotic.
d)
Nothing will happen. It takes thousands of years for bacteria to evolve and become antibiotic resistant.
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