#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?
#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?
#Question id: 10714
#Section 1: Ecology
What is value of Gini-simpson indices of following
community?
#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?
#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
#Question id: 10717
#Section 1: Ecology
Following represents four different regions, each with four different sites on different-sized mountains. Which of the following statement is correct?
a) In region ‘a’ gamma diversity (γ) is one, and alpha diversity (α) diversity is also 1
b) In region ‘b’ gamma diversity (γ) is 4, and alpha diversity (α) diversity is 1
c) In region ‘c’ gamma diversity (γ) is six, and beta diversity (β) diversity is 2
d) The gamma diversity (γ) are same in region ‘c’ and‘d’.