What modern method of study can trace the evolutionary relatedness of organisms by comparing the nucleotide sequences on DNA?
Phylogeny
Molecular clocks
Cladograms
Classification

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

protistas excret ethanol used in the manufacture of vinegar