What is the purpose of the null hypothesis in experimental design?
What will be an ideal response?
The null hypothesis is formulated to predict a situation where nothing of interest or significance is occurring. If the null hypothesis can then be rejected by the experimental data, the researcher has demonstrated that the null hypothesis has been violated and that an interesting or significant event has been measured or observed.
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Wastes will accumulate and most nutrients would stop cycling if the ____ in the ecosystem dies
a. algae b. bacteria and fungi c. parasitic consumers d. insects e. vertebrates
Members of two different species are never capable of mating.
a. true b. false
The Gridley stain is more intense than the PAS
a. true b. false
Which hormone prevents the corpus luteum from degenerating?
A. LH B. Progesterone C. Estrogen D. FSH E. hCG