Biology, 28.04.2021 21:00 HtetPaing9281
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The nervous and endocrine systems both use a form of communication; the nervous system sends electrical messages and the endocrine system sends chemicals known as .
a. antibodies
B. hormones
C. enzymes
No dam links
.
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Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.
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Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings
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Which process takes place last in the human being which process takes place last in the development of a human being
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