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When Raymond observes certain natural phenomena, he often forms ideas about their causes and effects. Suppose that Raymond surmises that leaves change color in autumn due to scarcity of sunlight. In order to test whether his idea is accurate, he must first construct a falsifiable THEORY, LAW, OR HYPOTHISIS
that defines a clear relationship between two variables. Raymond’s next step is to DESIGN AN EXPERIMENT, COMPLETE MATHEMATICAL CALCULATIONS, OR PROPOSE AN EXPLANATION
that would isolate and test the relationship between the two variables. This task can be pretty daunting because Raymond will need to identify and eliminate any CONFOUNDING, INDEPENDENT, OR DEPENDENT
variables that could confuse test results.
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Biology, 21.06.2019 13:30
Q1.8. continuing your studies, you perform a transplant experiment. you chisel up multiple rocks from the upper intertidal zone, each holding 10 individuals of species a, and move them to the lower intertidal zone among individuals of species c. you count the number of individuals of all species on the rocks every day for 30 days. based on your findings, what can you conclude? (remember that all 3 species settle in this zone at equal rates.)
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Biology, 22.06.2019 00:10
Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c
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Biology, 22.06.2019 05:50
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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Biology, 22.06.2019 09:00
Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis
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When Raymond observes certain natural phenomena...
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