During his trip on the HMS Beagle, Darwin found that . A plants and animals living in temperate regions were most similar to each other, regardless of the continent on which they were found.
B fossils found on a particular continent were clearly not related to the plants and animals living on that continent today.
C plants and animals were similar on every continent and in every type of region.
D plants and animals living on one continent seemed more closely related to each other, than to plants and animals living in similar regions on other continents.

Option D

Plants and animals living on one continent seemed more closely related to each other than to plants and animals living in similar regions on other continents.

Explanation:

From Darwin's discoveries, he noticed that there was a strong relationship between the environment and the characteristics of the living organisms present there.  He proposed that the environmental conditions affected the development of certain traits in organisms present there, in their quest for survival and adaptation.

These traits were passed down from parents to offspring, producing a population of organisms with similar character traits found around the same geographical location (continent in this case)

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

b. the carbon cycle ensures living things have a source of hydrogen