In response to increased carbon dioxide levels in the atmosphere, stomata in leaves of some species
have ________.
a. become smaller
b. declined in number
c. increased in number
d. become encoded by the gene YDA
e. become larger
B
You might also like to view...
_____ is a simple sugar (a monosaccharide)
a. Glucose d. Starch b. Sucrose e. Glucose and ribose c. Ribose f. Glucose, sucrose, and ribose
The most appropriate form of cell division for repairing an injured tissue is ________
A) mitosis B) meiosis C) cytokinesis D) cloning
Pasteur used swan-neck flasks in his experiments to prove that
A. dust in air was a source of living microorganisms. B. microorganisms could cause disease. C. microorganisms could be grown in laboratory infusions. D. air had "vital forces" capable of spontaneous generation. E. microbial fermentation could be used to make wine.
Which of the following is the most effective control for malaria?
A) vaccination B) treating patients C) eliminate Anopheles mosquitoes D) eliminate the intermediate host E) None of these is an effective control.