TLS Online TPP Program

#Question id: 10607


Which of the following statement is incorrect?

#Unit 10. Ecological Principles
  1. Populations of species with larger body sizes and longer life spans tend to respond more rapidly to changes in their environments
  2. the most common dispersion pattern is clumped because resources tend to be clustered in nature
  3. Age-specific fertility and survivorship data help determine the net reproductive rate
  4. Some semelparous organisms may live for many years before reproducing
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TLS Online TPP Program

#Question id: 10708

#Unit 10. Ecological Principles

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: 10709

#Unit 10. Ecological Principles

Researcher study the diversity of 2 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69  , ln .25= -1.38  , ln .12= -2.12)


What is value of Shannon index of community A and community B respectively?

TLS Online TPP Program

#Question id: 10710

#Unit 10. Ecological Principles

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: 10711

#Unit 10. Ecological Principles

Following table shows the number of individuals of five tree species in a community


Based on the above, the Simpson’s index and Shannon weaver of the community will be respectively?

TLS Online TPP Program

#Question id: 10712

#Unit 10. Ecological Principles

Researcher study the diversity of 4 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69  , ln .25= -1.38, ln .12= -2.12)

Which of the following is decreasing order of their Shannon weaver diversity index of community?

TLS Online TPP Program

#Question id: 10713

#Unit 10. Ecological Principles

Following is sampling data of five species in five quadrate is represent. Which of the following is a correct order of decreasing abundance?