Diatoms are algae whose silicon dioxide-containing shells are useful economically as
A) filters.
B) fertilizers.
C) stabilizers.
D) thickeners.
E) agar.
Correct Answer:
Verified
Q33: The most necessary habitat requirement of protozoa
Q34: Protozoan classification used to be based on
Q35: Agar is obtained from
A) bacteria.
B) algae.
C) protozoans.
D)
Q36: Sexual reproduction in algae involves meiosis that
Q37: Fungi are important in
A) food production.
B) food
Q39: Algae are important environmentally as
A) major producers
Q40: One of the organisms that may cause
Q41: Protozoans are eukaryotes and as such will
Q42: Nematodes
A) only infect aquatic plants.
B) may enter
Q43: Which of the statements BEST describes tapeworms?
A)
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