Biology, 02.02.2020 22:49 Doobug9312
In order to support his theory of evolutionary change, charles darwin concentrated his studies on the many species of finches in the galapagos islands. darwin noted that many of the birds had different shapes and styles of beak. what is a possible explanation for what darwin observed? a) the birds had beaks that were adapted for feeding differently. b) some birds had been injured by predators and were poor competitors. c) people had bred the bird to have beaks with varied shapes and sizes. d) the birds had different beaks because females preferred certain beak shapes over others.
Answers: 2
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When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?
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Biology, 22.06.2019 13:30
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
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Biology, 23.06.2019 00:00
Describe the structure of a virus, and explain how this structure differs from that of a cell.
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In order to support his theory of evolutionary change, charles darwin concentrated his studies on th...
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