B. The Threshold describes the minimum level of stimulus required to ctive a neuron. Hope that helps
Answer:
Hello! Your answer would be, D)Fertilization
Explanation:
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Maintenance of normal fluid homeostasis requires all of these except caloric balance within the selections provided.
I am not sure what your selections are; this is your answer above however.
Gravity: A force that keeps things in place sonit doesnt float around.
Mass: The amount of matter or substance that makes up an object
Weight: How heavy or light something is
Inertia: property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
Diffusion is the movement of particles from a high concentration area to a low concentration area.
Things that can go through a membrane are ions (charged), small polar molecules. Big molecules can't go through the membrane due to its large size and disrupting the membrane.
Passive transport is the movement of substances acrpss the cell membrane w/o the use of energy. Active transport needs energy to move substances across a cell membrane.