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WorksheetsEvolution
Total questions: 25
Worksheet time: 56mins
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.
Which of the following is a fossil?
a)
a plant that has recently died
b)
a group of organisms that can reproduce
c)
a structure or organ that no longer functions
d)
a trace of an organisms that existed in the past
3.
Over time, adaptions can lead populations to experience
a)
environmental changes
b)
genetic changes
c)
geological changes
d)
extinction
4.
what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
a)
different species on different islands
b)
all species on one of the islands
c)
identical species on all the islands
d)
the same species as North America
5.
All rabbits living in a particular area would be an example of a(n)
a)
population
b)
species
c)
fossil
d)
individual organism
6.
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
7.
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
8.
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
9.
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
10.
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
11.
The more genetic variation a population has,
the more likely it is in the same individuals,
will
the more likely it is in the same individuals,
will
a)
evolve
b)
migrate
c)
survive
d)
mutate
12.
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
13.
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
14.
What is the term for a feature that allows an organism to survive better in its environemtn?
a)
variation
b)
adaption
c)
homologous structure
d)
vestigial structure
15.
the hind leg bones in a whale are examples of
a)
homologous structures
b)
analogous structures
c)
fossils
d)
vestigals
16.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
17.
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
18.
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
19.
All Mutations are negative
a)
true
b)
false
20.
In terms of evolution, fitness means:
a)
running a marathon
b)
surviving and passing traits to offspring
c)
survival only
d)
maintaing the proper weight and eating right
21.
Study of embryos of various organisms
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
22.
When scientists compare animals currently living on different continents, they often find those with similar characteristics, who are not actually close relatives, living in similar environmental conditions even though they are geographically very distant. One example is the Anteater/Armadillos of the Americas and the Pangolin of Africa. What can we deduce from this evidence?
a)
Living things can adapt similarly to similar environments over time.
b)
Living things do not change over time
c)
They must all have the same recent common ancestor
d)
I don’t know
23.
Which best describes fossils?
a)
They are the preserved remains or evidence of ancient living things
b)
They are the preserved remains or evidence of ancient living and nonliving things
c)
They are the preserved bones of ancient animals
d)
They are impressions of plant leaves in ancient rocks
24.
What happens during radioactive decay?
a)
A stable isotope of one element changes into an unstable isotope of a different element
b)
A stable isotope of one element changes into an unstable isotope of the same element
c)
An unstable isotope of one element changes into a stable isotope of a different element
d)
An unstable isotope of one element changes into a stable isotope of the same element
25.
Which is an example of competition
a)
organisms racing
b)
organisms competing for water
c)
people arguing
d)
cheetah hunting
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