What is meaning of the term competitive exclusion? when two or more species use the same limited resource
when species compete for niches and it results in the evolution of differences in
particular characteristics
when two species share different parts of a limited resource
when one species drives another to extinction by competition

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

some scientists like gregory adcock agree with thorne's theory of regional continuity.

others, like chris stringer and ian tattersall, believe thorne's results may be contaminated or misinterpreted.