TLS Online TPP Program

#Question id: 9178


A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

#Unit 9. Diversity of Life Forms
  1. The high water flow would make the fish expend more energy.
  2. The low oxygen content would give the fish difficulty in swimming aerobically.
  3. The temperature change would stress the fish by denaturing its proteins.
  4. The change in water solute content would challenge the osmotic balance of the fish.
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TLS Online TPP Program

#Question id: 11652

#Unit 10. Ecological Principles

The sequence of changes initiated by disturbance is called succession, and the ultimate association of species achieved is called

TLS Online TPP Program

#Question id: 11653

#Unit 10. Ecological Principles

Given some characteristics of the climax community

i) Tolerate its own reactions

ii) Tends to become mesic

iii) Less stable

iv) Complex stratification

v) Simple food web

vi) Less mutualism

vii) Gross production is equals to community respiration

viii) Net community production is zero

Which of the following combination shows the characteristics of climax community?

TLS Online TPP Program

#Question id: 11654

#Unit 10. Ecological Principles

Succession start from the water body and continuos in community dyanamics, changes species composition as well as changes in structure also. Which one is the correct composition of hydrosere process?

TLS Online TPP Program

#Question id: 11655

#Unit 10. Ecological Principles

succession as proceeding to a distinct end point, each phase of succession shown in given diagram (A → D)

TLS Online TPP Program

#Question id: 11656

#Unit 10. Ecological Principles

What is the assumption of Clements in colonizing successional  species?

TLS Online TPP Program

#Question id: 11657

#Unit 10. Ecological Principles

In the following diagram, three models succession are represented. In this diagram A,B,C and D are the species  and arrows indicate replaced by

Based on the above, which statement is correct.