Charles darwin studied finches on the galapagos islands. while the finches on all the islands came from the same ancestors, the distance between the islands was too great to allow finches from different islands to interbreed. over time, the size of the finches on the different islands remained the same, but the shape and size of their beaks changed, as shown here. this adaptation the finches find food on their particular island. the change in the size and shape of the finches’ beaks was most likely caused by a) geographic isolation b) a change in climate. c) endangerment of the species. d) a decrease in the mutation rate.
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Biology, 21.06.2019 19:00
One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.
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Biology, 22.06.2019 04:00
Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.
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Biology, 22.06.2019 08:50
How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different
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Biology, 22.06.2019 09:30
What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid
Answers: 1
Charles darwin studied finches on the galapagos islands. while the finches on all the islands came f...
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