In older bird guides, the Audubon warbler and the myrtle warbler were classified as two separate species. For many decades, the
two species lived side by side within their habitat range. In more current bird guides they are classified as eastern and western forms of the same bird species. Since the two warblers are now classified as different forms of one species, they must
A) now occupy the same niche.
B) be identical in appearance.
C) be able to successfully interbreed.
D) consistently live in the same geographic range.
Coarctation of the aorta can cause high blood pressure in the heart. This can cause the muscle of the heart's main pumping chamber (left ventricle) to become thick. Eventually, the function of the heart muscle could deteriorate if the condition isn't treated.
He could select out the most red tomato plants and breed them together and keep doing that selecting the most bright red like tomato plants until he gets bright red ones. Or he could buy different seeds for bright red plants as the above method would take multiple generations
