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TLS Online TPP Program

#Question id: 4705

Darwin and Wallace's theory of evolution by natural selection was revolutionary because it ________.

#Unit 11. Evolution and Behavior

  1. was the first theory to refute the ideas of special creation

  2. proved that individuals acclimated to their environment over time

  3. dismissed the idea that species are constant and emphasized the importance of variation and change in populations

  4. was the first time a biologist had proposed that species changed through time

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TLS Online TPP Program

#Question id: 12256

#Unit 10. Ecological Principles

Ant species X preys upon ant species Y. A researcher has the following set of observations regarding the behaviour of species X where aggression signifies a predatory response.

Which of the following statement(s) are correct regarding the behaviour of Species X?

(i)    A glass bead is sufficient to elicit the predatory response.

(ii)   Both chemical and non-chemical cues are involved in the predatory response.

(iii)  Chemical cues are necessary to elicit the predatory response.

(iv) Chemical cues are sufficient to elicit the predatory response
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 __________.