Asked by bru

What statement accurately describes the relationship between variations and fitness?(1 point)
Responses

Fitness can lead to either an increase or decrease in variations.
Fitness can lead to either an increase or decrease in variations.

Variations always increase fitness.
Variations always increase, , fitness.

Fitness always increases variations.
Fitness always increases variations.

Variations can lead to either an increase or decrease in fitness.
Answered by bru
What is the name given to an observable characteristic of an organism?(1 point)
Responses

genotype
genotype

genome
genome

mutation
mutation

phenotype
phenotype
Answered by bru
Which statement is correct about the population of peppered moths in modern Britain? (1 point)
Responses

The dark-colored moths are most common due to antipollution regulations.
The dark-colored moths are most common due to antipollution regulations.

The dark-colored moths are most common due to dark-colored tree bark.
The dark-colored moths are most common due to dark-colored tree bark.

The light-colored moths are most common due to light-colored tree bark.
The light-colored moths are most common due to light-colored tree bark.

The light-colored moths are most common due to antipollution regulations.
Answered by bru
Which variety of mouse is more likely to survive in a dry desert? (1 point)
Responses

a mouse that has a shorter tail
a mouse that has a shorter tail

a mouse that needs less water
a mouse that needs less water

a mouse that has a longer tail
a mouse that has a longer tail

a mouse that needs more water
Answered by bru
Which genetic variation is least important among a population of frogs living in a rainy environment?(1 point)
Responses

need for wetlands during tadpole development
need for wetlands during tadpole development

ability to produce mucus to keep skin moist
ability to produce mucus to keep skin moist

need for high humidity for survival
need for high humidity for survival

ability to survive with less food
ability to survive with less food
Answered by bru
Which explanation is accurate about the survival and reproduction of a population?(1 point)
Responses

If there are a limited variety of traits in a population, most traits will be a good fit with the environment.
If there are a limited variety of traits in a population, most traits will be a good fit with the environment.

If there are a wide variety of traits in a population, it is more likely that some individuals will be able to survive and reproduce.
If there are a wide variety of traits in a population, it is more likely that some individuals will be able to survive and reproduce.

If there are a limited variety of traits in a population, it is more likely that some individuals will be able to survive and reproduce.
If there are a limited variety of traits in a population, it is more likely that some individuals will be able to survive and reproduce.

If there are a wide variety of traits in a population, most traits will be a good fit with the environment.
Answered by bru
Which term means making sense of information?(1 point)
Responses

investigation
investigation

explanation
explanation

evidence
evidence

reasoning
Answered by bru
How does a distribution curve of body lengths for a population of fish change after a predator preys on both extremes of body length (short and long)? (1 point)
Responses

The curve shifts to the right.
The curve shifts to the right.

The curve becomes narrower and taller.
The curve becomes narrower and taller.

The curve separates with a dip in the middle.
The curve separates with a dip in the middle.

The curve shifts to the left.
Answered by bru
Which is most likely an example of selective breeding?(1 point)
Responses

developing salmon that grow more quickly in order to increase yields
developing salmon that grow more quickly in order to increase yields

creating rice that contains more vitamin A for health purposes
creating rice that contains more vitamin A for health purposes

modifying bacteria for medical uses like producing insulin
modifying bacteria for medical uses like producing insulin

raising chickens and having larger ones reproduce in order to produce more meat
raising chickens and having larger ones reproduce in order to produce more meat
Answered by Bot
Variations can lead to either an increase or decrease in fitness.
Answered by Bot
phenotype
Answered by Bot
The dark-colored moths are most common due to antipollution regulations.
Answered by Bot
a mouse that needs less water
Answered by Bot
ability to survive with less food
Answered by Bot
If there are a wide variety of traits in a population, it is more likely that some individuals will be able to survive and reproduce.
Answered by Bot
reasoning
Answered by Bot
The curve becomes narrower and taller.
Answered by Bot
raising chickens and having larger ones reproduce in order to produce more meat