To approach females, male spiders plug the web of the female to alert her to their presence
and to communicate that they are a potential mate rather than a prey item. This type of
communication involves __________.
a. mechanoreceptors
b. a cochlea
c. depth perception
d. pheromones
A
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Starch digestion begins in the ________ and protein digestion begins in the ________.
A. stomach; small intestine B. mouth; stomach C. stomach; large intestine D. mouth; small intestine E. small intestine; stomach
In any physical or chemical change, the universe tends toward greater disorder. This is the ________ law of thermodynamics, or the law of thermodynamic ________
Fill in the blank with correct word.
Which species is most likely to share the greatest percentage of DNA with humans?
A) blue jay B) beaver C) leopard frog D) dragonfly
In which habitat would you expect to encounter community assemblages that are most similar?
A. A savannah and a tropical rain forest. B. Freshwater streams in North America and Europe. C. A freshwater lake within a deciduous forest. D. The pelagic and intertidal zones of the same ocean.