A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

TLS Online TPP Program

#Question id: 12257

#Unit 10. Ecological Principles

Which of the following is most likely to reduce competition in sympatric, closely related species? 

TLS Online TPP Program

#Question id: 12258

#Unit 10. Ecological Principles

The acoustical receptors are destroyed on a population of larvae and rates of wasp predation are measured on the "deaf” larvae and  on  a  population  of  normal  larvae.  Based on the  curve  in  the  figure  and  on  the  concept  that animals possess sensory mechanisms that enhance survival, one could correctly predict which of the following?

TLS Online TPP Program

#Question id: 12259

#Unit 10. Ecological Principles

Which of the following is an example of exploitation competition? 

TLS Online TPP Program

#Question id: 12260

#Unit 10. Ecological Principles

Chemical competition among organisms is referred to as __________. 

TLS Online TPP Program

#Question id: 12261

#Unit 10. Ecological Principles

When a person removed the predator Pisaster from rocky intertidal areas, the diversity of prey animals changed from 15 to __________. 

TLS Online TPP Program

#Question id: 12262

#Unit 10. Ecological Principles

The myxoma virus was introduced to Australia to control an outbreak of which of the following pests?