The biosynthetic pathway for chlorophyll includes approximately how many steps?
A. 3
B. 6
C. 10
D. 17
E. 40
D
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Which stage comes directly after interphase?
A. G1 B. cytokinesis C. S D. mitosis E. G2
____ food chains tend to predominate in aquatic ecosystems.
A. Higher trophic level B. Primary consumer C. Decomposing D. Grazing E. Detrital
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
Which of the following is NOT a line of evidence that Kingdom Animalia is a monophyletic group?
a. The ribosomal RNA of animals is more similar to that of other animals than it is to any other form of life. b. Animals share unique similarities in their cell-to-cell junctions. c. All animals have the same genetic code. d. Animals share similarities in the molecules in their extracellular matrices. e. All animals have bilateral symmetry.