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Biology, 21.06.2019 14:00
Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false
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Biology, 22.06.2019 07:30
Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
Answers: 2
Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Which characteristics is unique to animals?
heterotroph
photosynthesis
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photosynthesis
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