Only 200 out of 2 000, 000 sperm cells reach the ovum. And only one (in exception to very rare cases of two) sperm cells actually participate in the process of fertilization. In comparison, an average female only produces 400 of egg cells during their lifetime, but the eggs cells are significantly larger than sperm cells.
B
Anaerobic respiration produces ethanol in plants and some other organisms and lactic acid in animals
<span>Choices (b) and (c) are the most correct. Bilateral symmetry requires a central axis for there to be two halves. In addition, this type of symmetry requires a head, which will encounter the environment before any other part of the body and move in the direction of travel. Most animals exhibit this characteristic.</span>
X–ray technologist diagnose images of patients by using x-rays.
Nuclear medicine technologist perform diagnostic tests of patients by giving small dose of a radioactive drug.
Submarine sonar technician operate submarine sonar, oceanographic equipment and submarine auxiliary sonar.
Nuclear Physicist Radar and Sonar technician operates and maintains highly advanced radar and sonar equipment.
Air Traffic Controller who are well organized, are quick with numeric computations and mathematics.
MRI Technologist operates MRI equipment and produce clear images of bones, organs.
Solar astronomers study the sun's systems and characteristics, such as its atmospheres, magnetic field, and storms.
<h3 /><h3>What GPS technician do ?</h3>
GPS Technician map and survey an area under the direction of a surveyor, cartographer etc
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