TLS Online TPP Program

#Question id: 10242


Ecologist Robert Macarthur observed that five species of similar warblers coexisted on spruce trees because they

#Section 1: Ecology
  1. Were actually subspecies of the same species

  2. Fed on insects on different trees

  3. Cooperated in their foraging habits

  4. Foraged in different places on the tree
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TLS Online TPP Program

#Question id: 10707

#Section 1: Ecology

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by

TLS Online TPP Program

#Question id: 10708

#Section 1: Ecology

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?

TLS Online TPP Program

#Question id: 10710

#Section 1: Ecology

Researcher study the diversity of 3 communities, 4 species was recorded from all community. Presence (+) and absence (-) of species are given 


What is similarity coefficient between A & B, B & C, and A & C RESPECTIVELY?

TLS Online TPP Program

#Question id: 10714

#Section 1: Ecology

What is value of Gini-simpson indices of following community? 


TLS Online TPP Program

#Question id: 10715

#Section 1: Ecology

Following table shows the presence (+) or absence (-) of five species in three communities (A, B, C):


Based on the above, which of the following is the correct order of diversity strength communities?

TLS Online TPP Program

#Question id: 10716

#Section 1: Ecology

The stability of a food web in a community is quantified using certain parameters which are defined below. Which of the following is an CORRECT representation?

A. Community with more complex is more stable

B. Community with more number of alternate is more stable

C. Stability of community is inversely proportional to Connectance 

D. Community with higher value of dominax index is more stable