Test your knowledge about the structural differences between the somatic motor nervous system and the autonomic nervous system. 1. preganglionic axons are myelinated; postganglionic axons are unmyelinated. 2. uses only one neuron to reach target 3. requires two neurons to reach target 4. only one synapse between the neuron and the target 5. conscious and unconscious regulation of skeletal muscle 6. unconscious regulation of smooth muscles, cardiac muscles, and glands

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell

Explain what is meant by a river’s load, and describe how the load is carried.