Among the four ecosystems blank is the most diverse in the second ecosystem there for species of producers primary consumers 10 secondary consumers and 10 trinitarian consumers of the number of species of primary consumers in the second ecosystem increases to £.20 the

energy and particles

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.