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WorksheetsEvolution
Total questions: 66
Worksheet time: 33mins
Name
Class
Date
1.
What did Darwin conclude about the finches on the Galapagos Islands?
a)
They evolved from a common ancestor on the mainland.
b)
They evolved from many different types of birds.
c)
They all came from different countries and continents .
d)
They developed from other types of organisms.
2.
Which statement best describes the process of evolution?
a)
Populations can survive in different locations on earth.
b)
Environmental conditions limit the number of species on Earth.
c)
Populations grow when resources are abundant.
d)
The traits of a species can change over time.
3.
Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
a)
Light moths were easy to see against sooty trees and were eaten.
b)
Light moths were killed by soot.
c)
The birds that ate the dark moths were killed by soot.
d)
Dark moths were produced by industrial processes.
4.
Which of these would be considered an adaptation of an animal that lives in the snowy tundra?
a)
large webbed feet
b)
a thick coat of fur and fat
c)
green scales
d)
a diet that consists of pineapples and coconuts
5.
Genetic variation between individuals of a population or species is caused by:
a)
Sunburns
b)
Mitosis
c)
Random mutations
d)
Homologous structures
6.
In this image, the population of barnacles shows___________.
a)
Variation
b)
Adaptation
c)
Motivation
d)
Natural Selection
7.
In this population of flowers, pink coloring is an ___________ that attracts more pollinating insects.
a)
Variation
b)
Natural Selection
c)
Adaptation
d)
Speciation
8.
What are the remains of living organisms?
a)
Fossils
b)
Vestigial structures
c)
Homologous structures
d)
Analogous structures
9.
What are homologous structures?
a)
Remains of once living organisms.
b)
Structures that no longer have a function.
c)
Structures that have the same shape but a different function.
d)
Structures that have the same function but different shape.
10.
What are vestigial structures?
a)
Remains of once living organisms.
b)
Structures that no longer have a function.
c)
Structures that have the same shape but a different function.
d)
Structures that have the same function but different shape.
11.
Which of the following explains the genetic variation in this image?
a)
There is a variety of heights in this population of animals.
b)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
c)
The animals. whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death
d)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
12.
Which of the following explains the genetic variation in this image?
a)
There is a variety of heights in this population of animals.
b)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
c)
The animals. whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death
d)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
13.
Which of the following explains the selective pressure in this image?
a)
The animals whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death.
b)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
c)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
d)
There is a variety of heights in this population of animals.
14.
Which of the following explains the selective pressure in this image?
a)
The animals whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death.
b)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
c)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
d)
There is a variety of heights in this population of animals.
15.
Which of the following explains the differential survival and reproduction that is shown in this image?
a)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
b)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
c)
There are a variety of heights in this populations of animals.
d)
The animals whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death.
16.
Which of the following explains the differential survival and reproduction that is shown in this image?
a)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
b)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
c)
There are a variety of heights in this populations of animals.
d)
The animals whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death.
17.
Which of the following explains the change over time that will occur as a result of what you are seeing in this image.
a)
There is a variety of heights in this population of animals.
b)
There was a drought this year and the vines of the fruits are not growing as long as they normally do. Consequently, the fruit is hanging much higher than usual.
c)
The animals whose DNA codes for tall height are able to reach the food, eat, survive, reproduce, and pass on their tall genes. The shorter animals starve to death.
d)
Over time, the advantageous allele for tall height will build up in this population while the not helpful allele for short height will decrease in this population. If there is no further change in the environment, the population will eventually be mostly tall.
18.
What is a species?
a)
A group of organisms that can mate with each other and produce fertile offspring.
b)
A group of organisms that genetically are very different from each other.
c)
A group of organisms that can mate and produce offspring even if those offspring are infertile.
d)
Individual organisms that live in the same environment.
19.
Of the following, which is NOT part of Darwin's theory of natural selection?
a)
Helpful variations in a population tend to be passed on while not helpful variations in a population are not.
b)
Variations in a population exist and those variations are inherited.
c)
Individuals with variations that are beneficial in their environment have shorter lifespans and produce fewer offspring.
d)
Living things tend to produce more offspring than can survive.
20.
Darwin began to formulate his concept of evolution by natural selection after…
a)
experimentation with animals.
b)
observations of many species of plants and animals while aboard the H.M.S Beagle.
c)
reading the writings of Mendel.
d)
a long conservation with Captain Fitzroy.
21.
According to Darwin's theory of natural selection, the individuals that tend to survive are those that have...
a)
variations best suited to the environment.
b)
the ability to change their bodies to fit the environment.
c)
the best luck.
d)
the biggest body.
22.
Darwin called the ability of an organism to survive in its environment...
a)
variation.
b)
fitness.
c)
overproduction.
d)
adaptation.
23.
Individuals in a population that have a variation that gives them an advantage in their environment are more likely to …
a)
survive and reproduce.
b)
die and not reproduce.
c)
move to a different environment.
d)
change their characteristics to fit the environment.
24.
What is evolution?
a)
A group of organisms that can mate to produce fertile offspring.
b)
The process by which inherited traits of a population change over many generations.
c)
A trait that allows organisms in a population to survive and reproduce in their environment.
d)
The process in which individuals better adapted to their environment are more likely to survive and reproduce.
25.
Which of these statements best describes what Charles Darwin observed on the Galapagos Islands?
a)
The finch population on each island was unique.
b)
The finches on the islands ate seeds and nuts but no insects.
c)
The finches on the islands were the same as the finches in Ecuador.
d)
The finches could produce offspring only with finches from other islands.
26.
What is a population?
a)
a group of organisms that can mate to produce fertile offspring
b)
a group of organisms of the same species that live in a defined geographical area
c)
a process by which inherited traits in a population change over many generations
d)
a process in which better-adapted individuals are more likely to survive and reproduce
27.
The guppy is a species of small freshwater fish. A new predator was introduced into the pond that they lived in. Scientists observed that the average size of guppies in the pond decreased after many years. Which of the following best explains the change in guppy size?
a)
Selective Breeding
b)
Genetic mutations
c)
Natural Selection
d)
Learned behavior
28.
Members of a population with a favored variation have the competitive advantage over others. They survive the selective pressure while others might die because of it. This is an example of...
a)
Survival of the Fittest
b)
Diversity
c)
Limited Resources
d)
Hypothesis
29.
What is a highly reliable, well-tested scientific explanation of some aspect of the natural world that unifies many repeated observations and well-supported hypothesis, and that enables scientists to make accurate predictions about new situations.
a)
Trait
b)
Theory
c)
Species
d)
Fitness
30.
Which term describes the fact that in nature parents produce more offspring than can possibly survive.
a)
Evolution
b)
Variation
c)
Extinction
d)
Overproduction
31.
What is the living or nonliving factor in an environment that intentionally or unintentionally chooses who has the favorable variation.
a)
Selective Disadvantage
b)
Limited Resources
c)
Selective Pressure
d)
Selective Advantage
32.
Which of the following is a change in genetic material; a change in a DNA code?
a)
Mutation
b)
Evolution
c)
Variation
d)
Population
33.
Which is a term for the fact that organisms that survive a selective pressure have more opportunities to reproduce, so we can see an increase in the frequency of that trait in the population over time.
a)
Overproduction
b)
Differential Survival and Reproduction
c)
Limited Resources
d)
Selective Pressure
34.
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
35.
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.
36.
What type of adaptation is migration?
a)
mutation
b)
behavioral
c)
physiological
d)
structural
37.
What word describes a trait that helps an organism survive in its environment?
a)
natural selection
b)
mutation
c)
camouflage
d)
adaptation
38.
The following pic shows what type of adaptation?
a)
physiological
b)
behavioral
c)
structural
d)
mutation
39.
The collective record of biological development that is reflected in the fossilized remains of organisms through geological history.
a)
Food web
b)
Timeline
c)
Fossil Record
d)
Cladogram
40.
What is a major cause of extinctions?
a)
biological evolution
b)
environmental change
c)
carbonization
d)
mineralization
41.
Which of the following are homologous structures?
a)
Bee wings and bird wings
b)
Legs on a beetle and legs on a cat
c)
Whale flipper and bat wing
d)
Human eyebrows and ant antennas
42.
What is Embrology?
a)
a form of Genetics
b)
part of an organism's molecule
c)
the early stage of development in an organism
d)
the study of the bone structure in an organism
43.
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 from a distant common ancestor.
44.
Two organisms that are closely related would have
a)
a very similar DNA sequence.
b)
exactly the same DNA sequence.
c)
no proteins in common.
d)
completely different DNA sequence.
45.
Amino acid sequences in one organism that resemble those of another suggest a
a)
coincidence.
b)
lack of evolutionary relationship.
c)
great number of mutations.
d)
shared ancestry.
46.
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.
47.
A measure of how often a particular allele occurs in a population is known as the
a)
gene pool
b)
gene frequency
c)
mutation rate
d)
phenotype
48.
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.
49.
If I wanted to look at DNA to study evolution, I am using what evidence?
a)
comparative anatomy
b)
embryology
c)
fossil record
d)
molecular
50.
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 have traits better suited to the new climate and be more likely to pass them on.
51.
When scientists compare the amino acid sequences for the red blood cell protein hemoglobin between various species, what can they determine about the evolutionary relationship between the species?
a)
It can be determined how efficient hemoglobin is for different species.
b)
It can provide evidence about the relatedness of the different species: if they are more similar they have a more recent common ancestor.
c)
It cannot determine relatedness between different species, only individuals of the same species.
d)
It can show which species evolved first.
52.
When comparing amino acid sequences for hemoglobin in humans, horses and chimpanzees, which two were most closely related?
a)
horses and chimpanzees
b)
horses and humans
c)
humans and horses
d)
humans and chimpanzees
53.
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.
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
54.
How do fossils provide evidence that evolution has happened on Earth?
a)
Fossils show how the sizes of certain animals has changed drastically over millions of years.
b)
Fossils show that some species have gone extinct.
c)
Fossils show how life forms present today are different than those from the past.
d)
Different sedimentary rock layers provide evidence for how the environment has changed over time.
55.
The forelimbs of vertebrates, like the ones pictured here, are similar in terms of number of bones and the orientation of bones. Which best describes how comparing homologous structures provides evidence of evolution?
a)
The genes for the body plan and forelimb layout were present in a common ancestral species that vertebrates share, and which was passed onto all vertebrates.
b)
Similar anatomical structures show how animals adapt to changing environments.
c)
Homologous structures show that different species evolve at different rates.
d)
Homologous structures don’t actually provide evidence for evolution.
56.
A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?
a)
This is purely by chance and isn't significant.
b)
The extinct dinosaur and modern bird share a common ancestor.
c)
All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today.
d)
Dinosaurs choose to fly, and evolved into birds to escape predation and capture food.
57.
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.
58.
All Mutations are negative.
a)
true
b)
false
59.
Individual organisms can develop traits throughout their life that help them survive and reproduce and then pass those developed traits on to their offspring.
a)
true
b)
false
60.
Mutations and the genetic recombination that occurs during sexual reproduction are both sources of...
a)
genetic variation
b)
stabilizing selection
c)
genetic equilibrium
d)
genetic drift
61.
Individual organisms evolve over time.
a)
true
b)
false
62.
Intermediate fossil forms are important evidence of evolution because they show...
a)
how organisms changed over time.
b)
how animals behaved in their environments.
c)
how the embryos of organisms develop.
d)
molecular homologies.
63.
Which trait is nature selecting FOR in this image?
a)
tall height
b)
short height
c)
long fur
d)
low hanging fruit
64.
Which trait is nature selecting AGAINST in this image?
a)
tall height
b)
short height
c)
long fur
d)
low hanging fruit
65.
Bob believes that giraffes have long necks because they have stretched their necks to try and reach food that is high in trees. Since the parent had stretched its neck, it passed the long neck to its offspring.Based on what you know about genetics and natural selection, what is wrong with Bob’s argument?
a)
Giraffes do not have long necks.
b)
Traits such as neck length are a result of genetic information and cannot be changed.
c)
Giraffes do not have offspring.
d)
The giraffes don’t like to eat food that is high in the trees.
66.
Which of the following is true of variation?
a)
It is necessary for natural selection.
b)
It exists in almost all populations.
c)
It is caused by mutations and sexual reproduction.
d)
All of the choices are correct.
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