What traits do green algae and plants have in common?
_____ plastids.
_____ chlorophyll a and b.
_____ a sporic life cycle.
_____ beta-carotene.
_____ embryos.
__X__ plastids.
__X__ chlorophyll a and b.
_____ a sporic life cycle.
__X__ beta-carotene.
_____ embryos.
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The sori of most ferns are found on the:a
fiddleheads. b. fronds. c. rhizomes. d. prothalli. e. antheridia
Poisonous or physiologically active chemicals found in various fungi include all of the following EXCEPT
A. digitoxin. B. psilocybin, a structural analog of LSD and mescaline. C. ergot alkaloids. D. muscarine and muscaridine.
An old DNA strand is used as a _____ for the assembly of a new DNA strand.
Fill in the blank(s) with the appropriate word(s).
Lichens and eastern white pine are examples of __________ species because they are extremely sensitive to certain air pollutants.
Fill in the blank(s) with the appropriate word(s).