During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?
Scientific investigations often lead to the formulation of new scientific questions. Charles Darwin reviewed his observations after he returned home from his voyage studying the selective breeding of pigeons. Which question would he be prompted to ask based on his voyage?
A population of rabbits has individuals with fur coloring that ranges from white to brown. The population lives in a temperate deciduous forest where the summers are mild and average about 50°F. The winters are often below freezing. If warmer temperatures last longer into the fall and the average temperature in the winter is getting warmer, what do you expect to happen to the population?
Which statement describes natural selection?
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?
Natural selection is a process by which organisms that are better adapted to their environment tend to
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?
Which would least likely be a cause of natural selection?
Did you find these answers helpful?