How do autotrophs and heterotrophs benefit one another within an ecosystem? a. autotrophs transform chemical energy into radiant energy for heterotrophs, which fix carbon for autotrophs. b. autotrophs produce oxygen and carbon dioxide for heterotrophs, which produce chemical energy for autotrophs. c. autotrophs fix carbon and produce oxygen for heterotrophs, which produce carbon dioxide for autotrophs. d. autotrophs synthesize atp and other nutrients for heterotrophs, which produce oxygen for autotrophs.

Correct C). Autotrophs fix carbon and produce oxygen for heterotrophs, which produce carbon dioxide for autotrophs.  

Autotrophs are those organisms, that are known to make their own food in the presence of sunlight. Example- Plants

Heterotrophs are those organisms that use the food that comes from the other organism in the form of fats, proteins, and carbohydrates. These organisms that feed on other are called as heterotrophs.

Example: Carnivores, omnivores etc

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.