Primary succession occurs when a natural disaster like an EQ, volcanic eruption, or flood, occurs to an area where there is no plant or animal life. The first organisms to appear are lichens, which over a long period of tome, will begin to form soil.
Its called bioamplification
Answer;
petit arm
Explanation;
All human chromosomes have 2 arms, the p (short) arm and the q (long) arm. They are separated from each other only by a primary constriction, the centromere, the point at which the chromosome is attached to the spindle during cell division.
The symbol "p" stands for "petit", small in French, while "q" was chosen merely because it was the next letter in the alphabet.
Refraction- bending of light waves (ex. straw in a cup of water looks bent on a side but really is NOT, this is due to refraction, it bends the light waves reflected)
Luminescence- Creation/Emission/Starting or making of light through ways that DO NOT INVOLVE heat.
Ultraviolet- a wavelength that is part of the electromagnetic spectrum its shorter than visible light waves.
<span> Biotic components or biotic factors are any living organisms that affect another
organism. These components shape an ecosystem which includes animals that
consume organisms in question and its living food that the said organisms
consume. Biotic components include human influence. Producers, consumers and
decomposers usually comprise biotic components.</span>
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