Answer:
A
Explanation:
In such an isolated ecosystem, there is usually an autotroph species that coverts the abiotic elements in the environment to biotic elements. In a hydrothermal vent, it is likely that there are some chemoautotrophic bacteria that covert the sulfur and other chemicals in the water into organic molecules. This energy is then transferred up the food web in the closed ecosystem. In such an ecosystem, even the waste product of one life form may be utilized by another species.
<span>A specialist medical doctor who study about the
eye care and eye vision is ophthalmologist. Normal findings of the internal eye
a nurse will document is a uniform red reflex, round optic nerve disc, which
may be white or pink. She also document a normal findings of bright red
arterioles and dark red veins. </span>
I believe the answer is C.
