According to the concept of “survival of the fittest," if a population of birds eats worms that they find deep under ground by using their beaks, which members of the bird population would be more fit?
A frog has more offspring than can survive on available resources.Of which is this an example?
Which best describes the relationship between evolution and natural selection?
In terms of natural selection, what is the best description of an organism that is fit?
Which statement describes natural selection?
The map shows the allele frequency of sickled hemoglobin (HbS) and malaria endemicity in Africa. Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa?

Consider this image of a gazelle.Which of the gazelle’s naturally selected traits is shown in this picture to be an evolutionary advantage?

Which was Charles Darwin’s contribution to the study of biology?
During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?
Did you find these answers helpful?