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Biology, 21.06.2019 17:30
If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?
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Biology, 21.06.2019 23:40
When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page
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Biology, 22.06.2019 00:10
Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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Biology, 22.06.2019 00:20
1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.
Answers: 1
Do roots have guard cells and therefore stomata?...
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