The process by which a mature embryo sporophyte resumes growth is called ________
a. dormancy
b. metabolism
c. germination
d. development
c
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In retinal visual processing, the ____ receive synaptic signals from the bipolar cells
a. ganglion cells b. amacrine cells c. cones d. rods e. horizontal cells
How are an organism’s lifetime energy use and economics analogous?
What will be an ideal response?
As elevation increases
a. O2 availability increases. b. O2 availability decreases. c. O2 availability remains constant. d. O2 levels increase, but there is none present above 20,000 feet. e. O2 levels decrease, but there is none present above 20,000 feet.
The 1-m height attainable by Dawsonia moss is at the upper end of the size range reached by mosses. What accounts for the relative tallness of Dawsonia?
A) the cuticle that is found along the ridges of "leaves" B) "leaves" that are more than one cell layer thick C) reduced size, mass, and persistence of the sporophytes, which allows gametophores to grow taller D) the presence of conducting tissues in the "stem"