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Biology, 21.06.2019 23:30, brittanysanders
Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
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Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
An adult bird perches on the edge of its nest. all of the baby birds open their mouths. what type of...
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