Which is a differentiating characteristic of land plants from green algae?
a. Land plants photosynthesize.
b. Land plants have chlorophyll..
c. Land plants have a waxy cuticle.
d. Land plants utilize carbon dioxide.
e. Land plants’s cell walls are made of cellulose
c
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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
The eyes of many deep-sea fishes are tubular
Indicate whether the statement is true or false
Cell-to-cell communication by quorum sensing has been shown to be important in the regulation of genes needed for ________.
A. plasmid transfer B. biofilm production C. virulence D. All of the choices are correct.
What is the equilibrium value of F for a population of constant size Ne = 5,000 that ex-periences a mutation rate of 0.00005?
a. 0 b. 0.15 c. 0.30 d. 0.50 e. None of the above