Which group of organisms forms the most important producers in marine ecosystems?
Correct answer D. Diatoms
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Correct answer D. Diatoms
Correct answer B. Foraminiferans
Correct answer B. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
Correct answer B. Both Chondrus and Polysiphonia
Correct answer A. The diploid nucleus, being smaller, is responsible for the cell's metabolism and growth, while the polyploid nucleus functions in the sexual process
Correct answer B. Starch
Correct answer C. Actinopods
Correct answer B. Some green algae possess cell wall with cellulose
Correct answer C. Choanoflagellates
Correct answer D. All of these
Correct answer C. Herbert Copeland
Correct answer A. Haploid
Correct answer A. They only include unicellular aquatic eukaryotic organisms
Correct answer C. Phytophthora infestans
Correct answer C. 2-9
Correct answer B. Asexual
Correct answer D. 95%
Correct answer A. Crustose
Correct answer C. Fragmentation
Correct answer A. Arthrobotrys