The openings in leaves that function to exchange gases are called ____
a. cuticles
b. stomata
c. guard cells
d. pits
e. pores
ANSWER: b
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Bacterial cells typically have ____ while eukaryotic cells have ____
a. a single circular chromosome; many linear chromosomes. b. several circular chromosomes; many linear chromosomes. c. one linear chromosome; many circular chromosomes. d. two circular chromosomes; numerous circular chromosomes depending on the species. e. numerous circular chromosomes depending on the species; many linear chromosomes.
Which of the following plants were dominant
in the Carboniferous period?
a. club mosses b. peat mosses c. ferns d. liverworts e. more than one of these
Most biologists recognize __________ domains
a. 3 b. 4 c. 5 d. 6 e. 12
Looking at the tree above, draw a tree that resolves two of the four shown polytomies and explain why you are able to do so using the provided tree and your own illustrations
What will be an ideal response?