When Tewsbury and Nabhan carried out feeding preference studies, they were testing their hypothesis that peppers are hot
A. to promote pollination of the peppers.
B. to deter seed destroyers without affecting dispersers.
C. to deter all animals from destroying the seeds.
D. for a reason unrelated to seed dispersal or destruction.
E. to promote dispersion when animals drop the hot fruit.
B. to deter seed destroyers without affecting dispersers.
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Water molecules are attracted to each other due to the opposite charges created by partial charge separations within the molecules. These attractions are called:
A. peptide bonds. B. covalent bonds. C. ionic bonds. D. hydrogen bonds. E. double bonds.
The bacterial cell membrane is a site for many enzymes and metabolic reactions.
Answer the following statement true (T) or false (F)
A gradual change in phenotype across an environmental gradient, such as white-tailed deer changing gradually in size from large in the north to small in the south, is referred to as
A) migration. B) a subspecies. C) a cline. D) an ecotype.
Every species occupies a unique ecological ________ that encompasses all aspects of its way of life
Fill in the blank(s) with correct word