Oxygen<span>, </span>sulfur<span>, </span>nitrogen<span>, and </span>hydrogen<span>.
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Throughout the young larval stages a small gland behind the brain, called the corpus allatum, secretes juvenile hormone (also known as neotenin).
The answer is A. By gemmules
During the transfer of energy from one tropic level to the next tropic level around 90% of the total energy is lost in the metabolic processes in the form of heat. Hence only about 10% of the total energy can only be transferred from one tropic level to the next tropic level.
The deficiency of vitamin B12 is a very rare case that would give rise to many conditions such as muscle cramps, difficulty walking, and numbness. This vitamin is crucial to the body and is also sometimes referred to as cobalamin.
