You are working at nasa studying new life forms found in the cueva de villa luz caves. you have collected an unknown specimen that appear to be 0.5 micron in size, have a cell membrane and ribosomes. this specimen could be…

A bacteria

Explanation:

Cueva de Villa Luz is a cave in Mexico famous for high concentrations of hydrogen sulfide and sulfuric acid in water.

Organisms living in this conditions should be adapted. The only known organisms capable of obtaining energy from hydrogen sulfide (lithotrophs) are prokaryote.

We are also told that the specimen collected appears to be 0.5 micron, which is in accordance with bacteria. It has a cell membrane and ribosomes, which they do have as well.

This specimen could be a lithotoph bacteria.

answer and explanation;

volcanic rocks are igneous rocks which form from lava, molten rock which has been thrust out of a volcano onto the surface of a rocky body such as an asteroid, planet, or dwarf planet.  

plutonic rocks are igneous rocks which form from subterranean chambers of molten rock or magma. plutonic rocks make up the base of continental crust as well as oceanic crust. their slow rate of formation causes them to be coarse grained since there is plenty of time for large crystals to form before the magma solidifies into rock.

the textural difference is that plutonic rocks are more coarse grained than volcanic rocks. plutonic rocks are coarse grained while volcanic are fine grained ; glassey or fragmental. since fine and coarse are adjectives the decision as to whether a rock is fine or coarse grained is generally made on the bases of whether or not the individual crystals can be seen in most if the rock.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.