The ____ are the only land plants make true flowers and fruits
a. bryophytes
b. seedless vascular plants
c. gymnosperms
d. angiosperms
e. gymnosperms and angiosperms
ANSWER: d
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Anosmia, an olfactory disorder, is caused by
In the fall, the trees in a temperate deciduous forest lose their leaves primarily as an adaptation to
A) changing light. B) lack of available water. C) lack of accessible nutrients. D) cooler temperatures. E) excess rainfall.
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. reject the null hypotheses B. develop a scientific theory C. accept the hypothesis without further question D. reject the hypothesis
Autoclaving is the most effective method of moist heat sterilization
Indicate whether the statement is true or false