Select the correct answer from each drop-down menu. Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the (cell membrane, myelin sheath, nucleus) is found inside the (axon, cell body, dendrite) .

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d