An organism is a multicellular heterotroph made up of eukaryotic cells lacking cell walls. Into which taxonomic group should the organism be classified?
a) animals
b) plants
c) protists
d) fungi
Answer: a) animals
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If phosphorus is added to water that contains no other major nutrients, the major microbial group that will bloom if the water is exposed to light will be the ________.
A. green algae B. green sulfur bacteria C. green nonsulfur bacteria D. cyanobacteria
Products and by-products of photosynthesis do NOT include
a. O2. b. C6H12O6. c. CO2. d. H2O.
What type of cell is important in fighting the early stages of viral infections?
A) mast cells B) effector cells C) plasma cells D) natural killer cells (NK cells) E) dendritic cells
Which statement about the megasporocyte is true?
a. It undergoes meiosis to produce three haploid cells. b. It is a diploid cell located within an ovule. c. It divides mitotically to form a male gametophyte. d. It plays an important role in cross-pollination. e. It will give rise to the generative cell.