Most of the plants expressing Nla developed disease symptoms when challenged with TVMV, but the symptoms abated as the plants grew older; this phenomenon is called 

TLS Online TPP Program

#Question id: 11363

#Unit 10. Ecological Principles

Competition among individuals belonging to the same species is referred to as _________ competition.

TLS Online TPP Program

#Question id: 12109

#Unit 10. Ecological Principles

Niches of two coexisting species of pond snail of the same genus are likely to be similar, but not identical, because of which of the following?

I. Closely related species use similar resources.

II. Competitive interactions exist between these species. 

III.  Unlimited resources are available.

TLS Online TPP Program

#Question id: 12110

#Unit 10. Ecological Principles

Which of the following has the smallest biomass?

TLS Online TPP Program

#Question id: 12111

#Unit 10. Ecological Principles

Which of the following is a tertiary consumer?

TLS Online TPP Program

#Question id: 12112

#Unit 10. Ecological Principles

The presence of altruistic behaviour is most likely due to kin selection, a theory maintaining that

TLS Online TPP Program

#Question id: 12113

#Unit 10. Ecological Principles

In belding’s ground squirrels, it is mostly the females that behave altruistically by sounding alarm calls. What is the likely reason for this distinction?