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The study of the chemical reactions of living things is called _____.
Q2: Skeletal muscles that are not used will
Q6: The modification of genes outside an organism's
Q7: The first animals evolved _.<br>A)6 thousand years
Q11: The fingers are called _.<br>A) carpals<br>B) metacarpals<br>C)
Q16: is caused by a virus the same
Q23: The refusal to eat because of a
Q29: A mutagenic agent _.<br>A) helps prevent mutations<br>B)
Q42: study of similarities and differences between different
Q48: During ejaculation,semen is expelled to the outside
Q54: Which arthropod subgroup includes the spiders?<br>A)Arachnids<br>B)Crustaceans<br>C)Insects<br>D)None of