LSE-02 ECOLOGY in English Solved Assignment 2019

LSE-02 Solved Assignment 2019

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Title NameLSE-02 Solved Assignment 2019
UniversityIGNOU
Service TypeSolved Assignment (Soft copy/PDF)
CourseBSC (LIFE SCIENCES) LSE
Language ENGLISH
Semester2018-2019 Course: BSC (LIFE SCIENCES) LSE
Session2018-19
Short Name LSE-02 (ENGLISH)
Assignment CodeLSE-02/TMA/2019
ProductAssignment of BSC (LIFE SCIENCES) 2018-2019 (IGNOU)
Submission DateValid from January 1, 2019 to December 31, 2019

ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-02
Assignment Code: LSE-02/TMA/2018
Max. Marks: 100

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1. Answer the following questions: 5×8
i) Describe the ecological adaptations in animals to aquatic environment.
ii) With the help of neat and labelled diagram explain the effect of pH on nutrient
availability in soil.
iii) Discuss the limitations of ecological pyramids.
iv) Write the characteristics of lake ecosystem.
v) Briefly describe the main features of a community.
vi) Make a table listing changes in ecosystems during succession.
vii) Differentiate between dominant and keystone species.
viii) Analyse the model that highlights the factors which influence the environmental
impact of a population.
2. Make clear and labelled diagrams of the following : 10×4
i) Relationship of Ecology with other disciplines of Biology.
ii) Zones of atmosphere based on the air temperature.
iii) Carbon cycle.
iv) Types of survivorship curves.
3. Write detailed account on the following: 10×2
i) Types of forests.
ii) Causes and consequences of water pollution.

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