The pufferfish, a common marine fish, has extensive spines that extend outward when it swallows water, becoming several times its normal size. This is an example of what kind of defense against predation?

#Question id: 9191

#Section 2: Evolution

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to

#Question id: 9192

#Section 2: Evolution

The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to

#Question id: 9193

#Section 2: Evolution

Which of the following best describes the consequences of White-band disease in Caribbean coral reefs?

#Question id: 9194

#Section 2: Evolution

Zoonotic disease

#Question id: 9195

#Section 2: Evolution

Philippe Bouchet and colleagues conducted a massive survey of marine molluscs on the west coast of New Caledonia. For 20% of the total species that were located and identified, only a single specimen was found. What does that suggest about the diversity of molluscs in this area?

#Question id: 9196

#Section 2: Evolution

If all individuals in the last remaining population of a particular frog species were all highly elated, which type of diversity would be of greatest concern when planning to prevent the species from going extinct?