If a pitcher plant is grown in an insect-free environment, what would you expect to happen?
a. No changes will occur.
b. The plant will limit its growth.
c. The plant will produce more nectar.
d. The plant will instantly die.
B
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The glycocalyx of a eukaryotic cell is
A. a protective mechanism against osmotic lysis. B. mostly polysaccharides. C. also called the cell wall. D. the site where many metabolic reactions occur. E. composed of many diverse proteins.
Which of the following events probably made the evolution of cellular respiration possible?
a. Accumulation of carbon dioxide in atmosphere d. Emergence of eukaryotes b. Emergence of prokaryotes e. Emergence of plants c. Accumulation of oxygen in atmosphere
"Double fertilization" produces nutrient tissue by the union of ____
a. two egg nuclei and one sperm nucleus b. two sperm nuclei and one egg nucleus c. two sperm nuclei and two egg nuclei d. one sperm nucleus and endosperm mother cell nuclei e. two sperm nuclei and one endosperm mother cell nucleus
Which of the following is eukaryotic, usually acts as a producer in its ecosystem, and spins via its flagella?
A) Dinoflagellate B) Sporozoan C) Cyanobacterium D) Apicomplexan E) Slime mold