Based on the literature, you hypothesize that students in traditional biology lectures will have the same grades as students in online biology lectures. You decide to test your hypothesis by comparing grades of students in traditional and online biology lectures over a semester. As a result of the experiment, you observe that the grades in the traditional lectures and the grades in the online
lectures are not significantly different. What do these observations allow you to do?
A. develop a scientific theory
B. reject the hypothesis
C. accept the hypothesis without further question
D. reject the null hypotheses
D. reject the null hypotheses
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A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change
About twice a year, one or two more birds from the neighboring island arrive. These new arrivals _____. A) speed up the process of speciation B) tend to promote adaptation to the new food plants C) tend to retard adaptation to the new food plants D) represent a colonizing event
Despite viruses require a living host's metabolism to replicate, it remains unclear whether viruses existed before living cells
Indicate whether the statement is true or false.
____ are fleshy, scaly stems that typically
grow under the soil and parallel to its surface. a. Stolons b. Rhizomes c. Bulbs d. Corms e. Tubers
Which of the following represents the possible genotype(s) resulting from a cross between an individual heterozygous
(Bb) and one that is homozygous (bb)? a. BB and Bb
b. Bb and bb c. BB only d. Bb only e. bb only