Aperson going to bed because she feels sleepy is an example of a response to an stimulus

A person going to bed because she feels sleepy is an example of a _VOLUNTARY__ response to an _INTERNAL___ stimulus.

Answers: Voluntary; Internal

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answer; a male inherits only one allele of the x-linked gene controlling hair color;

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 !