Biology, 05.10.2019 17:00 Enewton4454
Long dry spells make the release of sperm and eggs into the environment an unreliable reproductive mechanism.
which possible adaptation addressed this problem and allowed plants to thrive on land?
a. structures developed that protecting developing eggs and sperms
b. adaptions to aquatic life developed over time
c. root structures developed that maintained a hold on land
d. cellular structures developed that stored excess starch and sugar
Answers: 1
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What are two reasons for why a species might disappear from the fossil record?
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Biology, 22.06.2019 03:30
Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?
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Biology, 22.06.2019 19:30
How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.
Answers: 1
Long dry spells make the release of sperm and eggs into the environment an unreliable reproductive m...
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