<span>The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg.</span>
<span>C. nitrogen and hydrogen shoould be your answer
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The answer is the platelets
Answer:
Sexuality exists on a continuum.
Explanation:
The American biologist, Dr. Alfred Kinsey had incorporated in the Institute for Sex Research. He worked on a series of sexuality studies during the 1940s in Indianan university.
Dr. Alfred Kinsey explained that the sexuality exists on a continuum. The person's sexual orientation generally based on the experience and response at that time.
Thus, the answer is sexuality exists on a continuum.
If there was not a constant Input of energy into the ecosystem then nothing would have the power to do anything and nothing would be alive. the energy starts with the sun, then goes to plants, then animals that eat the plants, and then the animals that eat those animals, Ect. if this chain reaction did not happen then the plants wouldn't have to power to go through photosynthesis and then we would get no energy. the amount of energy lessen with every chain that it goes through, this is why we get more energy eating plants and why they are healthier.