The earth is a unique planet in that it is covered by more than 70 percent water. there are several properties of water that make earth a suitable environment for life, including how the density of solid water (ice) is about nine percent less than the density of liquid water. which best explains why this feature of water is important for marine life? ice forms from the bottom of the water column up, allowing organisms to freeze and enter hibernation. ice forms from the top of the water column down, creating a protective barrier over the liquid water. the higher-density liquid water shelters organisms from cold air better than the less-dense ice. the higher-density liquid water traps nutrients for primary producers better than the less-dense ice.
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Biology, 21.06.2019 17:40
What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds
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Biology, 22.06.2019 00:50
Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
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Biology, 22.06.2019 12:30
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
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