Which genetic variation is least important among a population of frogs living in a rainy environment?
A. ability to survive with less food
B. ability to produce mucus to keep skin moist
C. need for wetlands during tadpole development
D. need for high humidity for survival
9 answers
A. ability to survive with less food
Which explanation is accurate about the survival and reproduction of a population?
A. If there are a limited variety of traits in a population, most traits will be a good fit with the environment.
B. 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.
C. 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.
D. If there are a wide variety of traits in a population, most traits will be a good fit with the environment.
A. If there are a limited variety of traits in a population, most traits will be a good fit with the environment.
B. 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.
C. 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.
D. If there are a wide variety of traits in a population, most traits will be a good fit with the environment.
B. 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.
Which term means making sense of information?
A. evidence
B. reasoning
C. investigation
D. explanation
A. evidence
B. reasoning
C. investigation
D. explanation
B. reasoning
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)?
A. The curve shifts to the right.
B. The curve becomes narrower and taller.
C. The curve separates with a dip in the middle.
D. The curve shifts to the left.
A. The curve shifts to the right.
B. The curve becomes narrower and taller.
C. The curve separates with a dip in the middle.
D. The curve shifts to the left.
B. The curve becomes narrower and taller.
Which is most likely an example of selective breeding?
A. modifying bacteria for medical uses like producing insulin
B. creating rice that contains more vitamin A for health purposes
C. developing salmon that grow more quickly in order to increase yields
D. raising chickens and having larger ones reproduce in order to produce more meat
A. modifying bacteria for medical uses like producing insulin
B. creating rice that contains more vitamin A for health purposes
C. developing salmon that grow more quickly in order to increase yields
D. raising chickens and having larger ones reproduce in order to produce more meat
D. raising chickens and having larger ones reproduce in order to produce more meat
6 answers