When many nerve impulses arrive in rapid succession at the synapse between a single stimulatory presynaptic neuron and a postsynaptic neuron, this situation is known as: ?

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen