Which mutation scenario will always lead to natural selection?
Consider the following scenario:
There are variations in the fur color of mice. Some mice have white fur. Some have dark fur. Foxes more easily catch mice with white fur.
What will likely be a consequence of this scenario?
(1 point)
Responses
Mice with brown fur will be less likely to pass on their genetic information.
Mice with brown fur will be less likely to pass on their genetic information.
Brown fur will become predominant.
Brown fur will become predominant.
White fur will become predominant.
White fur will become predominant.
Mice with white fur will be more likely to survive and reproduce.
Mice with brown fur will be more likely to survive and reproduce.
What evolves during natural selection?(1 point)
Responses
inactivated genes
inactivated genes
the proportion of different traits in a population
the proportion of different traits in a population
entire species
entire species
the phenotypes of individual organisms
The proportion of different traits in a population.
1. Why did Harry Briggs and other parents sue the Summerton School District?
They believed black schools weren’t equal to white schools, so the schools should be integrated.
The state did not want to equalize the school work done by white and black schools.
They wanted to prevent the school district from integrating black and white schools.
The state refused to consider the question of school integration.
2. The Briggs v. Elliot case found that (1 point)
schools can be segregated and do not have to be equal.
schools can be segregated as long as they are equal.
schools must be integrated.
busing should not be used to integrate schools.
3. Brown vs. Board of Education found that separate is NOT
wrong.
equal.
preferred.
enjoyable.
4. The Southern Manifesto (1 point)
called for integration.
defended segregation.
prohibited blacks from voting.
attracted visitors to the South.
1. They believed black schools weren’t equal to white schools, so the schools should be integrated.
2. schools can be segregated and do not have to be equal.
3. equal.
4. defended segregation.
What does the verb state in the indicative mood?(1 point)
Responses
a command or request
a command or request
a fact or opinion
a fact or opinion
a manner of expression.
a manner of expression.
a question or thought
a question or thought
A fact or opinion.
When a sentence is written in the interrogative mood, the verb form should _________(1 point)
Responses
ask a question.
ask a question.
express a fact or opinion.
express a fact or opinion.
give orders or advice.
give orders or advice.
make an exclamation.
Ask a question.
Which verb mood gives advice or makes commands?(1 point)
Responses
indicative mood
indicative mood
implied mood
implied mood
imperative mood
imperative mood
interrogative mood
Imperative mood.
How have the historic levels of melanin in human populations changed due to migration? (1 point)
Responses
Humans that produced less melanin became more common as populations migrated toward the equator.
Humans that produced less melanin became more common as populations migrated toward the equator.
Humans that produced more melanin became more common as populations migrated away from the equator.
Humans that produced more melanin became more common as populations migrated away from the equator.
Humans that produced less melanin became more common as populations migrated away from the equator.
Humans that produced less melanin became more common as populations migrated away from the equator.
Humans that produced more melanin became more common as populations migrated toward the equator.
Humans that produced more melanin became more common as populations migrated toward the equator.
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension ability: short and long distance?(1 point)
Responses
The variety of tortoises with the ability to extend their necks a long distance would go extinct.
The variety of tortoises with the ability to extend their necks a long distance would go extinct.
The proportion of tortoises with the ability to extend their necks a long distance would increase.
The proportion of tortoises with the ability to extend their necks a long distance would increase.
The proportion of tortoises that could only extend their necks a short distance would increase.
The proportion of tortoises that could only extend their necks a short distance would increase.
The variety of tortoises that could only extend their necks a short distance would go extinct.
The proportion of tortoises with the ability to extend their necks a long distance would decrease.
In an ecosystem, there are two color varieties within a species of toads: brown and green. Over 50 years, the proportion of the population that is green increases from 20% to 50%. Which statement is the most likely to explain this change? (1 point)
Responses
The environment changed such that toads that can jump higher into the trees to survive better.
The environment changed such that toads that can jump higher into the trees to survive better.
A disease caused a decrease in the proportion of brown toads.
A disease caused a decrease in the proportion of brown toads.
Pollution caused a decrease in the proportion of brown toads.
Pollution caused a decrease in the proportion of brown toads.
The environment changed such that green toads can blend into their surroundings better.
The environment changed such that green toads can blend into their surroundings better.
The environment changed such that green toads can blend into their surroundings better.
In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and birds with long beaks. What is the most likely hummingbird population composition? (1 point)
Responses
more long-beaked hummingbirds
more long-beaked hummingbirds
more short-beaked hummingbirds
more short-beaked hummingbirds
only long-beaked hummingbirds
only long-beaked hummingbirds
only short-beaked hummingbirds
only short-beaked hummingbirds
More long-beaked hummingbirds.
In an ecosystem, the average temperature increases, causing a shorter winter. There are two varieties of rabbits in this area, white-furred rabbits and brown-furred rabbits. Which scenario is most likely? (1 point)
Responses
Both white- and brown-furred rabbits increase.
Both white- and brown-furred rabbits increase.
Both white- and brown-furred rabbits decline.
Both white- and brown-furred rabbits decline.
The proportion of white-furred rabbits in the population declines.
The proportion of white-furred rabbits in the population declines.
The proportion of white-furred rabbits in the population increases
The proportion of white-furred rabbits in the population declines.
1. The Voting Rights Act of 1965 made it legal for states to
charge voters a poll tax before casting a vote.
require a person to take an English test before voting.
refuse to allow people to vote based on their race or gender.
fine anyone who interferes with another person’s right to vote.
2. What is the maximum possible punishment for tampering with someone’s vote?
$500 and 10 years in prison
$5,000 and 5 years in prison
$500 and 5 years in prison
$10,000 and 10 years in prison
$10,000 and 10 years in prison.
1. The Voting Rights Act of 1965 made it legal for states to
charge voters a poll tax before casting a vote.
require a person to take an English test before voting.
refuse to allow people to vote based on their race or gender.
fine anyone who interferes with another person’s right to vote.