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Where do homologous chromosomes exchange genetic material through crossing over? a. chlorophyll b. centrosomes c. centromeres d. chiasma
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Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
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Biology, 22.06.2019 08:30
Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above
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During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
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Find the slope (-1,5), (2,-7)...
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