What type of plant is corn?
a. C3
b. C4
c. CAM
d. it becomes a CAM plant if grown in the
desert
e. it becomes a C3 plant if grown in cold
climates
B
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Can a persistent cycle, such as that described for heaths and other types of vegetation in northern Scotland, be considered a climax?
A) Yes B) No
What is not used as evidence for classifying different populations as multiple species according to the biological species concept?
A. Phylogenetic trees of sympatric species that show divergence into monophyletic groups B. Phenotypic markers that indicate reduced gene flow C. traits that affect pollinator attraction D. Successful production of environmentally fit offspring through hybridization
What is one difference between polyploidy and aneuploidy?
A) Polyploidy is extra sets of chromosomes; aneuploidy occurs when there are either more or fewer chromosomes than normally exist in its species full set. B) Polyploidy is one extra chromosome; aneuploidy is one missing chromosome. C) Humans can be viable as polyploids but not as aneuploids. D) Polyploidy is extra sex chromosomes; aneuploidy is extra autosomes. E) Polyploidy causes diseases and disorders in humans; aneuploidy does not.
The electron transport chain provides the energy for
A. oxidative phosphorylation. B. substrate-level phosphorylation. C. beta-oxidation. D. photophosphorylation. E. anabolic reactions.