PLANT SUCCESSION
sanaThe process of community development is called succession. Community changes alter the ecosystem . This change favours the competitors. Thus the species replace one another. Finally a stable. self sustaining…
SAMPLING METHODS
There are following two types of sampling methods: (a) Transect method A transect is a long rectangular sample plot. It is used to study variations in vegetation. Vegetation varies with…
FAMILY 3: Fabaceae – Characters , Floral formula & Species
sidraDiagnostic characters Habit: Annual or perennial. I lerbs. shrubs, vines, or tree. Roots: Fibrous tap root often develops nodules in herbs. Nitrogen Fixing bacteria live in these nodules. Stem: Herbaceous…
ATTRIBUTES OF THE PLANT COMMUNITIES
The attributes (characteristics) of a commit), are classified into three main groups: analytic. synthetic and physiognomic. (a) Analytic characteristics The characteristics which can be analyzed by quantitative or qualitative methods…
CONCEPTS OF PLANT COMMUNITY
The populations of different species living in the same habitat is called community. According to Oosting (1956). plant community is an aggregation of individuals with mutual relationships among themselves and…
OBJECTIVE OF GENE FREQUENCIES
abidaFour options are given at the end of each statement. You should encircle one option from them. Which of the followings should be large for Hardy Weinberg theorem: (a) Gene …
Objective For Population Ecology
Multiple Choice Questions (MCQs) The number of indiyiduals living in a unit area is called: (a) Density (b) Natality (c) Mortality (d) Dispersion The rate at which the new individuals…
Subjective and Short Questions For Population Ecology
MODEL SUBJECTIVE QUESTION: What is population? Give its characteristics. Give history and background of population growth. Write note on seed dispersal. What is demography? Give its different aspects. Give applications…
MODEL SUBJECTIVE QUESTION OF GENE FREQUENCIES
Write note on modern synthesis. 2 Discuss Hardy Weinberg theorem. 3 Write note on genetic drift. 4 Write note on gene flow and mutation. 5 Write note on different modes…
DEFINITIONS AND KEY POINTS OF GENE FREQUENCIES
Terms Definitions Evolution The individuals of the same species that occupy a give area at the same time and share a unique set of genes i called population. Allele…