Plants, as prey, can't run away from their predators, but they can defend themselves. Is the predatory nature of Venus flytraps a defense mechanism, or does it serve some other purpose?
What will be an ideal response?
Being predatory gives Venus flytraps an advantage by providing nitrogen in environments, such as bogs, where nitrogen is deficient. It is not a defense mechanism.
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Which statement is not true of the imperfect fungi?
(a) They reproduce sexually by means of conidia. (b) They form an ascocarp. (c) Sex organs are present in the form of oogonia and antheridia. (d) All of the above are false.
The chemolithotrophs that metabolize reduced sulfur compounds using oxygen as a terminal electron acceptor in the Winogradsky column include ________.
A. cyanobacteria B. Chromatium C. Desulfovibrio D. Beggiatoa
The concept of uniformitarianism, articulated by James Hutton in the late 1700s, states that ________
A) the genetic code is similar among all living and extinct species B) mutations accumulate at a constant rate in most organisms C) current geological processes on Earth operate in the same manner as those that operated in the past D) the rate of extinction has been constant throughout the time life has existed on Earth
Which portion of the renal tubule empties directly into the collecting duct?
a. Bowman's capsule b. distal convoluted tubule c. proximal convoluted tubule d. descending loop of Henle e. ascending loop of Henle