The images above of a yellow jacket and a nonstinging wasp are an example of ____
a. mimicry
b. display behavior
c. warning coloration
d. chemical defenses
e. camouflage
ANSWER: a
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The fossil record indicates that the first vascular plants possessed roots
A. true B. false
Land plants arose from a lineage of freshwater green algae in the phylum ____
a. Rhodophyta b. Charophyta c. Chlorarachniophyta d. Phaeophyta e. Chrysophyta
Most pinnipeds mate:
a. every two years. b. every four years. c. once in their lifetime. d. annually. e. every three years.
Most marine invertebrates are osmoconformers. This means that
A. the osmolarity of their body fluids is equal to that of the osmoregulators who inhabit the same environments. B. that their body fluids contain the exact same solutes in the same concentration as their surroundings. C. the osmolarity of their body fluids is the same as their seawater environment. D. that their body fluids contain the exact same solutes in the same concentration as their cells. E. the osmolarity of their body fluids fluctuates between hypertonic to hypotonic depending on the season and the tides.