WorksheetsEvolution of Populations
Total questions: 32
Worksheet time: 30mins
Name
Class
Date
1.
What does the prefix homo- in homozygous mean?
a)
same
b)
different
c)
dating
d)
humans
2.
What does the prefix hetero- in heterozygous mean?
a)
same
b)
different
c)
dating
d)
human
3.
The physical appearance of a trait is known as the-
a)
genotype
b)
phenotype
c)
characteristics
d)
intelligence
4.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
5.
The two-letter code that describes the genetic traits of an organism is called a-
a)
Phenotype
b)
Genotype
c)
Physical Appearance
d)
Intelligence
6.
The different forms of a gene are called
a)
traits
b)
chromosomes
c)
alleles
d)
peas
7.
the study of heredity
a)
Botany
b)
Astronomy
c)
Genetics
d)
Ecology
8.
The passing of characters from parents to offspring is called?
a)
Monohybrid cross
b)
Heredity
c)
True breeding
d)
Genetics
9.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
10.
Genetic drift is change in the allele frequency of a population due to...
a)
random chance
b)
natural selection
c)
non-random mating (sexual selection)
d)
artificial selection
11.
This mechanism of evolution occurs when populations migrate.
a)
Extinction
b)
Gene flow
c)
Genetic drift
d)
Natural Selection
12.
Which of the following is true?
a)
Gene pool frequencies do not change as a result of migration in or out of a population.
b)
Gene flow occurs only as a result of isolation of a small population.
c)
Gene flow can cause new alleles to enter a population's gene pool.
d)
Gene flow is due the the selection of the most favorable traits.
13.
What word do we use to describe a species which has no members still living?
a)
endangered
b)
extinct
14.
Enviromentals changes leads to
a)
variations
b)
pollution
c)
predation
d)
artificial selection
15.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
16.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
17.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
18.
Individuals with favorable traits survive, reproduce, and pass their traits onto their offspring. This is called
a)
Mutation
b)
Adaptation
c)
Evolution
d)
Natural Selection
19.
Modern whales developed their traits through natural selection. What occurs during the process of natural selection?
a)
Organisms choose mates from other species to create new species
b)
Breeders selectively cross organisms with desired traits
c)
Only the fittest organisms can survive and reproduce
d)
Organisms remain exactly the same over time.
20.
When reproductive barriers separate a population of a species in nature, the species no longer share a...
a)
taxa
b)
gene pool
c)
phylogenetic tree
d)
species
21.
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 can mate and produce offspring even if those offspring are infertile.
c)
A group of organisms that genetically are very different from each other.
d)
Indivual organisms that live in the same environment.
22.
How are new traits introduced into a population?
a)
Photosynthesis
b)
Cell Membrane
c)
Turtles
d)
Mutations
23.
What is the definition of mutation?
a)
A random change in the genes of an organism
b)
Natural Breeding
c)
Natural Selection
d)
Breeding two animals to create a new one
24.
What organisms only survive in the wild (Nature)?
a)
Handicap Organisms
b)
White Mouse
c)
Only Fit organisms
d)
Organisms that cannot adapt
25.
Scientist, farmers, and ranchers breed the organisms that have the genes they are wanting. Which process are they using?
a)
Natural Selection
b)
Cellular Respiration
c)
Artificial Selection "Selective Breeding"
d)
Homeostasis
26.
Heterotroph means...
a)
You can make your own food
b)
You can photosynthesize
c)
You don't need to eat
d)
You need to consume (eat) other organisms.
27.
Autotroph means...
a)
You need to eat other organisms
b)
You can produce your own food by a process called photosynthesis
c)
An organism can move
d)
An organism that has a nucleus
28.
Which of the three graphs shows stabilizing selection?
a)
A
b)
B
c)
C
29.
Which of the three graphs shows disruptive selection?
a)
A
b)
B
c)
C
30.
What type of selection?
a)
Directional
b)
Stabilizing
c)
Disruptive
31.
Only populations can evolve.
Individuals can not evolve.
Individuals can not evolve.
a)
True
b)
False
32.
What type of selection is depicted in the picture?
a)
stabilizing
b)
directional
c)
disruptive
d)
the answer is not here
100 %
