Darwin's Theory Answers

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

Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground, modern koalas spend most of their time in eucalyptus trees. This is possible because their hands and feet have strong claws and opposable digits.What other adaptation could have helped koalas as they evolved from land dwellers to tree dwellers?

A frog has more offspring than can survive on available resources.Of which is this an example?

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?

In the African savanna, more wildebeests are born than the environment can support. Which is most likely to happen over a period of years as a result?

During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?

Natural selection is a process by which organisms that are better adapted to their environment tend to