Biology, 30.11.2019 12:31 owlette2001
Astar gives off heat and light from the nuclear fusion reaction that takes place inside. what change happenes durning the nuclear reaction ?
hydrogen is changed to helium
hydrogen is changed to nitrogen
nitrogen is changed to hydrogen
helium is changed to hydrogen
Answers: 3
Biology, 22.06.2019 04:40
Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes
Answers: 1
Biology, 22.06.2019 09:50
The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations
Answers: 2
Biology, 22.06.2019 11:00
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
Biology, 22.06.2019 12:40
Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
Answers: 1
Astar gives off heat and light from the nuclear fusion reaction that takes place inside. what change...
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