B. Plate count method!
I hope this helps. Enjoy the holidays.
Coral ecosystems are a source of food for millions; protect coastlines from storms and erosion; provide habitat, spawning and nursery grounds for economically important fish species.
The part of the nervous system that is similar to the autopilot is the AUTONOMIC NERVOUS SYSTEM. It controls the muscles and the glands of the internal organs. It is divided into sympathetic and parasympathetic. The sympathetic autonomic nervous system brings about excitation in the body while the parasympathetic brings about calmness.
DNA sequence can be altered by the process called as mutation. Mutation of DNA sequence can have a positive or negative effect on an organism and it entirely depends on the point and type of mutation that has occurred on the DNA sequences.
Mutations can be point mutation where single nucleotide base gets altered or deletion where a base pair gets deleted from the DNA sequences and many more. Mutation has driven the evolution of the organism.
Answer:
Food and water go down the same tube which is called the esophagus.
