The study of body plans and structures among groups of organisms is called
a. homologous structures.
b. analogous structures.
c. comparative morphology.
d. morphological convergence.
e. morphological divergence.
c
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Angiosperms
a. are the most successful of all plants. b. are the most diverse of all plants. c. produce seeds inside an enclosed structure. d. have embryos that are provided with endosperm. e. have all of these characteristics
What is the portion of the cell cycle during which the chromosomes are invisible under the light microscope because they are not yet condensed?
A. Metaphase B. Anaphase C. Prophase D. Telophase E. Interphase
Milk of magnesia is often used to treat stomach upset. It has a pH of 10. Based on this information, milk of magnesia
A) is an acid. B) is hydrophobic. C) is a base. D) has the same pH as stomach acid.
Most scientists attribute the mass extinction of the dinosaurs to
A) predation by mammals. B) meteorite impact. C) sea-level change. D) gradual climate change. E) sunspots.