Biology, 03.12.2020 18:40 ameliaduxha7
An acorn when first planted only weighs one or two ounces. Over many years, it can grow into a tree that weighs three or five tons. Where does all that matter come from?
a. water
b. CO2 from the air
c. energy from sunlight
d. nutrients in the soil
Answers: 2
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The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
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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 acorn when first planted only weighs one or two ounces. Over many years, it can grow into a tree...
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