Which concept reflects the increasing numbers of species present in an area that includes a wide variety of habitats,
vegetation types, and small-scale environments?
a. landscape ecology
b. the species-area relationship
c. conservation biology
d. alpha-diversity
e. beta-diversity
ANSWER: e
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The term oxidation is derived from the name of the element oxygen. This is reasonable, because oxygen
A. attracts electrons very strongly. B. can be oxidized by accepting electrons. C. contains more electrons than are needed. D. passes electrons to many other types of molecules.
Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast store?
A) Energy B) Chlorophyll C) Carbon D) Electrons
Which type of male competition would you typically expect in species with external fertilization?
A. Direct male competition( Male-male aggression or courtship displays) B. Indirect male competition (sperm competition) C. Both D. Neither
Which of the following bacteria is a common soil contaminant that may cause disease in humans and is a biological select agent?
A. Aspergillus oryzae B. Bacillus anthracis C. Cyanobacteria D. Lactoccocus cremoris E. Streptomyces scabies