Biology, 20.12.2019 22:31 gladtobesmart123
What are the reproductive barriers that keep species separate?
a. lack of food; lack of habitat; lack of potential mates; lack of nesting sites; lack of genetic variation
b. mountains; canyons; glaciers; bodies of water (for terrestrial animals); areas of land (for aquatic animals)
c. habitat isolation; temporal isolation; behavioral isolation; mechanical isolation; gamete isolation
Answers: 3
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Which of the following is a way that minerals are used? a. industry construction technology d. all of the above
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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 16:00
Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?
Answers: 2
Biology, 22.06.2019 19:30
Need , i need a scenario of: artificial selectionmutationnon random mating
Answers: 2
What are the reproductive barriers that keep species separate?
a. lack of food; lack...
a. lack of food; lack...
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