The Main Conclusion Darwin Reached After His Return from the Expedition

Multiple Choice

The main conclusion Darwin reached after his return from the expedition aboard the HMS Beagle was that

A) the animals living on the Galápagos Islands were similar to those seen on other Pacific islands.
B) the animals living on the Galápagos Islands were closely related to those found in England.
C) animal species are stable over time and do not evolve.
D) plant and animal populations slowly change over time as beneficial characteristics become more widespread.