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WorksheetsEvolution Part 1 Test Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of these would be evidence for the idea that fish and mammals have a common ancestor?
a)
Gill-like slits in a human embryo
b)
Fish have bones similar to humans
c)
Mammals such as a whale can also swim
d)
Fish once had tails as do lions
2.
If a mutant gene's frequency increases within a population over time, this suggests that ___.
a)
the organism will probably die out
b)
the gene confers some kind of survival advantage to the organims
c)
there is no advantage to the presence of the gene
d)
the gene is harmful to the species
3.
Species X fossils are found in a sedimentary rock layer 30 feet down. Species Y fossils are found deeper in the same rock layer 65 feet down. What's the best assumption about the two species?
a)
Species X was better adapted to its environment.
b)
Species Y was better adapted to its environment.
c)
Species X is older than species Y.
d)
Species Y is older than species X.
4.
All of the following are heritable traits EXCEPT
a)
the length of a Galapagos tortoise's neck.
b)
the thickness of a Galapagos finch's beak.
c)
the length of a giraffe's neck.
d)
the absence of an appendix following surgery.
5.
A species of moths may be becoming extinct. Which of the following facts supports this idea?
a)
The moths have begun to chance their coloration.
b)
The moths can't interbreed with other species of moths.
c)
The moths' habitat is changing more rapidly than they can adapt.
d)
The moths have mutated quickly and adjusted to their new environment.
6.
Charles Darwin wrote a book about his idea regarding how organisms changed over time. The title of his book was ___.
a)
Principia
b)
Evolution in the Galapagos Islands
c)
Populations Around the World
d)
On the Origin of Species
7.
Cells that grow in similar patterns in different organisms that have a common ancestor is the definition of ___.
a)
homologous structures
b)
analogous structures
c)
descent with modification
d)
adapation
8.
The theory of evolution suggests that
a)
species do not change over time.
b)
different species can interbreed.
c)
animals that look similar are most closely related.
d)
none of these is correct.
9.
Two species of land animals seem to be related to one another. Which of the following would be the best means of determining if they are?
a)
They have similar DNA sequences.
b)
They are both warm-blooded.
c)
They both live in a similar type of environment.
d)
They are both at approximately the same level in the food chain.
10.
Whales have bones that appear to be similar to a dog's pelvis. This is an example of
a)
analogous structures.
b)
vestigial structures.
c)
fossil remains.
d)
gradualism.
11.
Which of the following statements is correct?
a)
Animals with homologous structures are closely related to one other.
b)
Animals with analogous structures are closely related to one another.
c)
Animals with analogous structures develop homologous structures.
d)
None of these is correct.
12.
All of the following belong to Darwin's theory of evolution EXCEPT:
a)
Individuals within a population can vary.
b)
Some individuals have traits that allow them to survive better than individuals without them.
c)
Organisms usually produce more offspring than can survive.
d)
Mutations in DNA are usually harmful.
13.
Which of the following did Darwin observe about Galapagos finches?
a)
The length of the birds' neck varied extensively.
b)
The bird embryos were strikingly different.
c)
Some finches had beaks that were different from other finches.
d)
Some finches had lost the ability to fly.
14.
Natural selection states that organisms that survive do so because ___.
a)
they decided to mutate to become better adapted.
b)
they lack competition.
c)
they produce fewer offspring than overpopulated competitors.
d)
they inherited adaptations that increased their fitness to survive.
15.
The fact that the number and locations of many fossil organisms with backbones are similar to modern organisms with backbones suggests that ___.
a)
they both have a common ancestor
b)
both struggled to survive
c)
they both have analogous structures
d)
both competed against the same kinds of organisms.
16.
Which of the following causes allele frequencies to change in genetic drift?
a)
Mutations
b)
Random chance
c)
Natural selection
d)
Genetic equilibrium
17.
If allele frequencies in a population remain the same, this is known as ___.
a)
evolution
b)
genetic drift
c)
genetic equilibrium
d)
natural selection
18.
Which of the following is needed to keep genetic equilibrium in a population?
a)
Survival of the fittest
b)
Mutations
c)
Nonrandom mating
d)
No emigration or immigration in the population.
19.
The Hardy-Weinberg principle states that genetic equilibrium would be more likely in a population of rabbits if ___.
a)
the size of the population shrinks quickly
b)
Rates of mutation increase within the population.
c)
there's no natural selection
d)
there's regular emigration and immigration in the population.
20.
Which of the following is NOT a part of the factors that cause Hardy-Weinberg equilibrium?
a)
Small population
b)
No emigration or immigration
c)
No mutations
d)
No natural selection
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