#Question id: 11316
#XL - T Zoology
Primary production generally determines the sizes of higher trophic levels. This observation provides support for __________ control of community structure.
#Question id: 11317
#XL - T Zoology
Which of the following phenomena emphasizes the indirect effects of consumer-resource interactions extended through additional trophic levels of the community?
#Question id: 11318
#XL - R Botany
Humans previously infected by schistosome organisms carried by wild game suffer less ill effects from the schistosome organism causing schistosomiasis. This process is known as __________.
#Question id: 11319
#XL - T Zoology
Which of the following plant defensive compounds is found at high levels in oak leaves?
#Question id: 11321
#XL - T Zoology
What is a constitutive plant defense?
#Question id: 11324
#XL - R Botany
Many temperate lakes develop pronounced thermal stratification during the summer months. In which zone of such lakes does temperature change most rapidly with depth?