A researcher is measuring atmospheric CO2 levels on cloudy and sunny days. He notices that on sunny days, CO2 levels appear slightly higher compared to levels on cloudy days. This is an example of:
A. causation.
B. fluxation.
C. correlation.
D. conjugation.
E. assimilation.
C
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In the figure above, which community has the highest species diversity?
A) Community 1 B) Community 2 C) Community 1 and community 3 have the highest species diversity. D) Community 4
A limitation of exome and genome sequencing is that ________.
A) they cannot distinguish between pairs of SNPs on the same homologous chromosomes. B) they cannot help detect inversions. C) they are blind to uniparental disomy. D) they cannot identify the frequency of a variant in a particular population.
There is strong evidence that two species of cliff-dwelling birds have nested in the same environment and fed in the same water for thousands of years, with each having stable population sizes. Based on this information, which of the following statements is the best conclusion?(A) One species is a better diver than the other species is. (B) The two birds compete for food. (C) One species will displace the other. (D) The two birds have different ecological niches that allow coexistence.
(A) One species is a better diver than the other species is. (B) The two birds compete for food. (C) One species will displace the other. (D) The two birds have different ecological niches that allow coexistence.
Which term describes the directed growth of plants in response to light?
a) Photosynthesis b) Active transport c) Transpiration d) Phototropism