Given a scientific passage and an answer, generate a question for the given answer.

[Q]: Passage: An ecosystem includes the living organisms (all the populations) in an area and the non-living aspects of the environment ( Figure below ). An ecosystem is made of the biotic and abiotic factors in an area. Answer: ecosystem
[A]: What includes the living organisms in an area and the non-living aspects of the environment?

[Q]: Passage: Horner's syndrome is a condition that presents with changes in one eye, such as pupillary constriction and dropping of eyelids, as well as decreased sweating in the face. Why could a tumor in the thoracic cavity have an effect on these autonomic functions? 32. The cardiovascular center is responsible for regulating the heart and blood vessels through homeostatic mechanisms. What tone does each component of the cardiovascular system have? What connections does the cardiovascular center invoke to keep these two systems in their resting tone? 33. Why does smoking increase the risk of heart disease? Provide two reasons based on autonomic function. Why might topical, cosmetic application of atropine or scopolamine from the belladonna plant not cause fatal poisoning, as would occur with ingestion of the plant?. Answer: one eye
[A]: Which part of the body shows does horner's syndrome affect?

[Q]: Passage: Blood enters the kidney through the renal artery, which branches into capillaries. When blood passes through capillaries of the glomerulus of a nephron, blood pressure forces some of the water and dissolved substances in the blood to cross the capillary walls into Bowman's capsule. Answer: renal artery
[A]:
Through which artery does blood enter the kidneys?