WorksheetsSpeciation
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?
a)
behavioral isolation
b)
temporal isolation
c)
gametic isolation
d)
geographic isolation
2.
Some female peacocks prefer males with large, colorful tales while other female peacocks prefer males with no tail at all. Females are beginning to only mate with the type of males with the tail they prefer. What type of reproductive barrier is this?
a)
behavioral isolation
b)
hybrid sterility
c)
temporal isolation
d)
mechanical isolation
3.
The flowers of pink tulips open in the morning, while the flowers of lavender tulips open in the early afternoon. The bees that pollinate these tulips cannot carry pollen back & forth between the two types of tulips because of their flowers being closed at different times of day. What type of reproductive barrier is this?
a)
behavioral isolation
b)
hybrid sterility
c)
temporal isolation
d)
mechanical isolation
4.
The term for the formation of new and distinct species over the course of evolution is...
a)
speciation
b)
biological species concept
c)
reproductive barrier
d)
natural selection
5.
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.
6.
The emergence of new rivers or streams is a type of ____________ isolation.
a)
Temporal
b)
Mechanical
c)
Behavioral
d)
Geographic
7.
Which of the following is NOT part of the Biological Species Concept?
a)
Must meet in nature & have gene flow
b)
Must be able to reproduce & share a gene pool
c)
Offspring must be sterile
d)
Offspring must be fertile
8.
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
9.
An organism's ability to survive and reproduce in its environment refers to its
a)
Fitness
b)
Variation
c)
Selection
d)
Mutation
10.
Because of an environmental change, organisms develop mutations to survive in that environment.
a)
True
b)
False
11.
In terms of evolution, survival is the most important thing.
a)
True
b)
False
12.
When has speciation occurred?
a)
When populations no longer look the same
b)
When populations no longer have the same frequency of alleles
c)
When populations are living in different environments
d)
When populations can no longer interbreed
13.
When a species is separated by water, what type of speciation can occur?
a)
Geographic Isolation
b)
Reproductive Isolation
c)
Genetic Drift
d)
Coevolution
14.
T15. The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as
a)
speciation
b)
punctuated equilibrium
c)
gradualism
d)
microevolution
15.
Type of reproductive barrier evidenced by this diagram.
a)
Temporal isolation
b)
Habitat (geographic) isolation
c)
Behavioral isolation
d)
Mechanical isolation
e)
Gametic isolation
100 %
