The correct answer is D. The theory of natural selection provided a better explanation of the processes that were being observed by the scientists.They observed that the related species birds found on one island were slightly different from that of the other, and certain portions earth, have the species, which were not found anywhere else.
hope this helps
I do think that they close to not allow too much of either water or air from entering.
the hollow tube allows water to flow easily.
https://www.bbc.co.uk/bitesize/guides/z28g7p3/revision/1
It would be Agility
Explanation: a number of factors can affect bone health like the amount of calcium in your diet
Answer:
By avoiding direct competition among these species, for example, by feeding at different times, by occupying distinct habitats, by niche differentiation, character displacement, etc.
Explanation:
Resource Partitioning is the strategy that similar species, living in the same area, can develop to avoid the competition among them, thereby ensuring their survival and preventing their decrease in population size. This strategy consists of avoiding direct competition by using limited resources in different ways (as above exemplified), thereby maximizing the efficiency in the use of these available resources.