<span>300BC was the approximate year.
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Your kidneys act like a filter to remove wastes and extra fluid from your body. Your kidneys filter about 200 quarts of blood each day to make about 1 to 2 quarts of urine
External skeleton is the correct answer. Hope this helps out !
Answer:
Traits are the genetically determined characteristics that are passed from parents to their offspring.
Explanation:
Traits refer to the characteristics that are present in an organism. These traits are passed from the parents to their offspring in the process of reproduction. When two organisms i. e. male and female of the same specie mate with each other forming a fertile offspring which has some characteristics of their parents. Sometimes, organism is closely related to their father and sometime more characters are transferred to offspring from mother.
