Answer:
The presence of fecal coliform in aquatic environments may indicate that the water has been contaminated with the fecal material of humans or other animals. Fecal coliform bacteria can enter rivers through direct discharge of waste from mammals and birds, from agricultural and storm runoff, and from human sewage.
Explanation:
Terminal buttons.
Explanation:
Neurons are longest animal cell that serve as the basic unit of their nervous system.
The neuron is divided into two parts-
Cyton: It is the cell body of the neuron. It has projection extending from the cytoplasm that receive signals called dendrites.
Axon: It is a long process extending from the cyton that carries the impulse from cell body to end of neuron. The axon terminate at knob like structures called terminal button . These release neurotransmitter and are rich in mitochondria.
