3. Notice the populations decrease as you go from the bottom of the food chain to the top. Why do you think this is so?
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This diagram, showing decreasing populations at each level, is called an energy pyramid

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 !

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation:

la transducción de señal ocurre cuando una molécula de señalización de fluido extracelular activa un receptor de superficie de la célula.