Many plant species produce flowers of a certain color and shape to attract honeybees. These plants produce nectar, and the bees transport pollen from one plant to another while searching for nectar. This is an example of:
A) succession. B) predation. C) mutualism. D) commensalism.
Answer: C
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In addition to the energy available in the ATP molecule, _________ provides an immediate source of high-energy bonds available to power muscle contraction
a. fat b. glycogen c. glucose d. lactic acid e. creatine phosphate
All of the following are components of Darwin's principle of natural selection EXCEPT that
a. new alleles are constantly produced through mutation. b. populations exhibit great variation. c. organisms produce more offspring than can be sustained by the environment. d. over time, adaptive phenotypes increase in frequency within a population. e. variation can be inherited.
________ predict what happens, while ________ explain how and why something occurs
A) Observations; conclusions B) Theories; laws C) Observations; hypotheses D) Laws; theories E) Hypotheses; conclusions
According to SSU rRNA gene sequencing, the amitochondriate Eukarya are ________, but a composite phylogenetic tree based on other eukaryotic genes suggests they are closely related to ________
a. ancient / fungi b. ancient / protists c. highly derived / fungi d. highly derived / protists