Exam 16: An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

Which of the following does not provide evidence for evolution?

A small group of finches on the Galapagos Islands was very important to Darwin in helping him to develop the theory of evolution.

Which of the following is the most important force in shaping evolution?

Who believed the species on Earth changed over time as a result of periodic great catastrophes?

Darwin studied a small group of finches on the ________ during his round-the-world trip.

The half-life of a radioactive isotope is 10,000 years.This isotope and its breakdown product do not normally occur together before molten rock cools and becomes solid.You analyze a volcanic rock and find 25 percent of the original amount of radioactive isotope remains,and 75 percent has decayed to its daughter element.How long ago did the rock solidify?

Refer to the scenario below and then answer the following question(s). In a fossil bed, you discover the preserved bones of a winged animal mixed in with the bones of small rodents. The small rodents are known from other fossils to have lived about two million years ago, but they are now extinct. -What can you conclude from the fact that the bones of the winged animal are found in the same fossil bed as the rodent bones?