Answer;
C. The finches all appeared to be related but differed from the mainland population.
Explanation;
-The basic idea of biological evolution is that populations and species of organisms change over time. Darwin proposed that species evolve and that all living things can trace their descent to a common ancestor.
-He suggested a mechanism for evolution: natural selection, in which heritable traits that help organisms survive and reproduce become more common in a population over time. Darwin found that nearby islands in the Galápagos had similar but nonidentical species of finches living on them. Moreover, he noted that each finch species was well-suited for its environment and role.
Answer:
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
"professional astronomers attacked him for popularizing an unconfirmed hypothesis"
Explanation:
It is necessary to have an IV that is near isotonic with blood so that the concentration of multiple different molecules in our blood does not change. If it's not isotonic then the cells begin to contract because they are starting to lose water.