Which of the following is smallest in diameter?
A) Capillary B) Veni C) Artery D) Venule E) Arteriole
A
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What % of energy will be transferred from one trophic level to the next?
a. 5 - 20% b. 5 - 25% c. 5 - 10% d. 5 - 15% e. 5 - 30%
The process that merges the gametes from two parents is
A. fertilization. B. meiosis. C. mitosis. D. mutation. E. conjugation.
Allelopathy is
A. an example of asymmetric competition between plant species. B. the movement of genes from one species to another. C. the transmission of viruses from ticks to their primary hosts. D. an obligate mutualism between a plant and its pollinator.
In monocots, the shoot tip is protected by ________, which eventually degenerate(s) once exposed to air
A) cotyledons B) the hypocotyl C) a slime layer formed by the shoot cells D) the epicotyl E) the coleoptile