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

Biology & Microbiology

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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.

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Which species is most likely to share the greatest percentage of DNA with humans?

A) blue jay B) beaver C) leopard frog D) dragonfly

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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.

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