Answer: In respiration, glucose is broken down to produce energy that can be used by the cell, a reaction that uses O 2 and produces CO 2 as a byproduct.
Explanation:
There are eight distinct taxonomic categories. These are: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species. With each step down in classification, organisms are split into more and more specific groups.
Calcitonin, secreted from the thyroid, and parathyroid hormone. Calcitonin lowers the blood calcium levels, PTH increases it.
Answer: A pictograph is a symbol for a word or phrase.
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