Bioactive specialized compounds are ____
a. synthesized in some plants as part of basic metabolism
b. only synthesized in plant leaves
c. molecules that attract herbivore pollinators
d. synthesized in floral structures to attract pollinating insects
e. only synthesized in plant roots
ANSWER: a
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A. true B. false
Which of the following organisms exhibits
cephalization? a. snail b. sea anemone c. sea star d. sponge e. Trichoplax
Many fern gametophytes are hermaphrodytes, meaning they can produce both sperm and egg. Why is this necessary for a fern, but not for an angiosperm?
a. If a seed colonized a new habitat alone, it could still reproduce b. The gametophyte could produce multiple types of spores c. The gametophyte could produce multiple types of seeds d. If a spore colonized a new habitat alone, it could still reproduce e. Angiosperm gametes are already diploid
A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a membrane-bound structure called a
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