Examlex
A population of birds colonizes an area and eats seeds in that locale.Over the course of evolution,the variability of birds eating seeds has decreased and the birds become more efficient at converting seeds into energy.Likely,______ selection has been operating,and has caused a(n) _______ in the carrying capacity.
Longitudinal
An approach to research that involves repeated observations of the same variables over short or long periods of time to detect changes.
Experimental
describes a research methodology involving the manipulation of variables to test a hypothesis in a controlled environment.
Sequential
Relating to or forming a sequence, where items are ordered according to a logical or natural progression.
Scientific Method
A systematic approach to investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
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