Font size
WorksheetsSelection and Evolution
Total questions: 107
Worksheet time: 54mins
What is gradual change in a species over time
evolution
natural selection
diversity
extinct
What is the process by which individuals are better adapted to their environment and are more likely to survive
mutation
variation
natural selection
fossil
Who is the British naturalist who formulated the theory of evolution by natural selection
Gregor Mendel
HMS Beagle
Charles Darwin
Galapagos Finches
What are any difference between organisms of the same species
Homologous Structure
Diversity
Fossil
Variation
These moths are all the same species. The differences between their wings is an example of ________________
Natural Selection
Variation
An acquired trait
Extinction
Which type of data would student height be categorized as?
Categorical
Continuous
Discontinuous
Normal
Consists of all genes present in a population, including all alleles for each gene
allele frequency
gene pool
variation
biodiversity
The movement of genes into or out of a population.
sexual selection
genetic drift
bottleneck effect
gene flow
In small populations, individuals that carry a particular allele may leave more descendants than other individuals, just by chance
genetic flow
genetic drift
genetic trade
genetic equilibrium
A change in allele frequency following a dramatic reduction in the size of a population (like a catastrophe)
bottleneck effect
founder effect
temporal isolation
speciation
Change in allele frequencies as a result of the migration of a small subgroup of a population
speciation
founder effect
bottleneck effect
alternative form of a gene
allele
species
genotype
generation
genetic makeup of an organism; an organism's combination of alleles
phenotype
genotype
traits
PHysical traits of an organism
genotype
evolution
fossil record
PHenotype
The process of forming a new species.
survival of the fittest
natural selection
evolution
speciation
Which of the following is an example of natural selection?
Bald Eagles are hunted until near extinction, population recovers.
Small group of iguanas floats to an island, starts a new population.
Red fox pups are more likely to survive in a snowy environment if they are born white.
Farmer chooses seeds from largest apples to plant next year. This results in larger apples from year to year.
The allele frequency of p=.20 What is the percentage of recessive genotype?
.80
.04
.32
.64
The allele frequency of p=.20 What is q?
.80
.04
.32
.64
The allele frequency of p=.20 What is the percentage of Heterozygous Dominant genotype?
.80
.04
.32
.64
64% of the population has the recessive phenotype. What is the allele frequency for q?
.04
.32
.64
.2
.8
64% of the population has the recessive phenotype. What is the percentage for Rr?
.04
.32
.64
.2
.8
Problems with animals that are selectively bred include:
Being more disease resistant
Producing more meat
Being more likely to suffer from genetic disease
Being more genetically diverse
What is Inbreeding
When two closely related animals are bred together
When two none related animals are bred together
When animals are allowed to chose their own mates
When humans choose which animals will mate together
A new river forms and splits two populations, causing ______________ speciation
Sympatric
Allopatric
Extreme
Convergent
Orcas occur in the same habitat but some are avoiding each other and do not interbreed. They have different diets, vocal behavior, and social structures. What type of speciation is this?
Allopatric
Sympatric
Complex
Covergent
when the organism develops different courtship rituals which do not attract main population this is a part of ____________ speciation.
Allopatric
Sympatric
Simple
Temporal
The emergence of a mountain range is an event that would lead to _______________ speciation
Allopatric
Sympatric
Temporal
Behavioral
The emergence of new rivers or streams is a type of ____________ isolation.
Temporal
Mechanical
Behavioral
Geographic
The presence of islands represents what type of reproductive isolation
allopatric speciation
sympatric speciation
Defines a species as a population or group of populations whose members can interbreed and produce fertile offspring.
Biological species concept
Morphological species concept
Genealogical species concept
Ecological species concept
Classifies organisms based on observable traits.
Biological species concept
Morphological species concept
Genealogical species concept
Ecological species concept
Defines a species as a cluster of organisms representing a specific evolutionary lineage.
Biological species concept
Morphological species concept
Genealogical species concept
Ecological species concept
Defines species based on their ecological role or niche.
Biological species concept
Morphological species concept
Genealogical species concept
Ecological species concept
Reproductive barrier that exists prior to the formation of a zygote.
Pre-zygotic
Post-zygotic
Para-zygotic
Multi-zygotic
Reproductive barrier that exists after to the formation of a zygote.
Pre-zygotic
Post-zygotic
Para-zygotic
Multi-zygotic
Type of reproductive barrier evidenced by this diagram.
Temporal isolation
Habitat (geographic) isolation
Behavioral isolation
Mechanical isolation
Gametic isolation
Which type of post-zygotic barrier is evidenced by this diagram.
Hybrid inviability
Hybrid sterility
Hybrid breakdown
Hybrid zygotes fail to develop or reach sexual maturity.
Hybrid inviability
Hybrid sterility
Hybrid breakdown
Offspring of hybrids are weak or infertile.
Hybrid inviability
Hybrid sterility
Hybrid breakdown
Which type of post-zygotic barrier is evidenced by this diagram.
Hybrid inviability
Hybrid sterility
Hybrid breakdown
Two species that occasionally mate and produce zygotes, but incompatible genes prevent the resulting embryo from developing. This is a _____ barrier called _____.
post-zygotic; reduced hybrid fertility
pre-zygotic; gametic isolation
post-zygotic; hybrid breakdown
post-zygotic; reduced hybrid viability
Process that results in multiple sets of chromosomes. Sudden evolution.
Divergent evolution
Convergent evolution
Polyploidy
Meiosis
A farmer wants to increase the amount of food produced by corn crops. If the farmer selectively breeds the plants, for which trait should the farmer select?
Taller stems
Deeper roots
Resistance to pesticides
More cobs on the plant
Some dairy farmers want o increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?
By increasing the age of cows that are bred
By choosing cows that are high milk producers
By limiting the number of offspring each cow has
By choosing cows that can produce milk after eating twice as much food
Which of the following traits would be used to evaluate a milking cow?
Milk yield
Intelligence
Coat colour
Udder size
A group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body.
Sickle Cell Disease
Hemophilia
HIV
Cystic Fibrosis
Normal RBC
A
B
Sickled RBC
A
B
Which genotype represents a patient that suffers from sickle cell disease? (it is recessive)
HbSHbS
HbAHbS
HbAHbA
HbSHb
Why does the allele for sickle cell still exist?
People with SCD live longer.
The dominant allele is resistant to malaria.
Homozygous advantage.
Heterozygous advantage.
In Siamese cats, dark hair develops where the skin is ___________. This is an example of __________ variation.
low temperature, environmental
mutated, individual
heterozygous, genetic
nonsomatic, sexual
