Which of the following groups contains
organisms that produce free-living larvae?
a. cnidarians
b. echinoderms
c. arthropods
d. cnidarians and echinoderms
e. cnidarians, echinoderms, and arthropods
E
Biology & Microbiology
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The motile, feeding stage of protozoa is called the ________.
A. cyst B. trophozoite C. food vacuole D. sporozoite E. oocyst
Biology & Microbiology
Would drinking a gallon of tap water, a gallon of sea water, or a gallon of beer produce the most urine? Which would
produce the least urine? Why?
What will be an ideal response?
Biology & Microbiology
The leaves of ferns are called ____
a. epiphytes b. stems c. fronds d. bracts e. rhizomes
Biology & Microbiology
Meiosis and unequal cytoplasmic division in seed plant ___ produce three small cells that disintegrate and one large
megaspore.
a. pollen sacs b. pollen grains c. gametophytes d. microspores e. ovules
Biology & Microbiology