Consider the following scenario:
You notice that no two cats at the pet store are exactly alike. Some have spotted fur. Some have striped fur. Some have fur of one solid color.
What term is used to describe your observation?
A. selective pressure
B. variation
C. natural selection
D. fitness
B. variation
What statement accurately describes the relationship between variations and fitness?
A. Variations can lead to either an increase or decrease in fitness.
B. Fitness always increases variations.
C. Fitness can lead to either an increase or decrease in variations.
D. Variations always increase fitness.
A. Variations can lead to either an increase or decrease in fitness.
What is the name given to an observable characteristic of an organism?
A. mutation
B. genome
C. genotype
D. phenotype
D. phenotype
Which statement is correct about the population of peppered moths in modern Britain?
A. The dark-colored moths are most common due to antipollution regulations.
B. The light-colored moths are most common due to light-colored tree bark.
C. The light-colored moths are most common due to antipollution regulations.
D. The dark-colored moths are most common due to dark-colored tree bark.
B. The light-colored moths are most common due to light-colored tree bark.
Wrong
I apologize for the error. The correct statement is:
C. The light-colored moths are most common due to antipollution regulations.
Which variety of mouse is more likely to survive in a dry desert?
A. a mouse that needs less water
B. a mouse that needs more water
C. a mouse that has a shorter tail
D. a mouse that has a longer tail