What did the evidence that Darwin collected during his voyage on the HMS Beagle allow him to accomplish?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the