When compared to their warmer water counterparts, cold-water plankton often:
What will be an ideal response?
are larger in size
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Which of the following statements is FALSE?
A) When plant cells are growing, they release expansins, which are enzymes that can expand the primary cell wall. B) The secondary cell wall often contains structural components, like lignin, that form a relatively rigid and complex network within the cell wall. C) A plant cell continues growing after the secondary cell wall forms but stops growing with the formation of the tertiary cell wall. D) Pectin is a component of the cell wall that attracts and holds water.
What type of fertilization occurs during sexual reproduction in rotifers?
a. internal b. external
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
A mycelium is best defined as
a. a mushroom. b. a mass of hyphae. c. an association between a fungus and a plant root. d. a reproductive structure of a fungus. e. a fungal cell.