Nicotinic receptors: Group of answer choices are found primarily in the heart. bind with norepinephrine released from sympathetic postganglionic fibers. none of these answers. bind with acetylcholine released from parasympathetic postganglionic fibers. respond to acetylcholine released from both sympathetic and parasympathetic preganglionic fibers.

the organisms are not adapted to live in some communities or habitats.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

silty loam

hope this