I would say it's b. stomach doesn't secrete lipase, only pancreas does. stomach also doesn't manufactures bile, the liver does. stomach contents are highly acidic , it's around pH 2.0 , which is completely opposite to alkaline
The answer is A) That the seed eating species would disappear, because the seeds would disappear followed by the finches that ate those seeds and the other finches that eat other food like insects would thrive.