ESTUARIES (ECOSYSTEM)
abidaThe area where a freshwater stream or river merges with the ocean is called an estuary. It is composed of intertidal salt marshes. Salinity varies within estuaries from fresh water…
MARINE ECOSYSTEM
Marine ecosystems are found in the oceans. Marine environments are characterized by an average salt concentration of 3%. Oceans cover nearly three fourths of surface df the earth. There is…
Stream and Rivers
The fresh water bodies in which water moves continuously in one direction are called streams and rivers. The head water of a stream is cold and clear. It carries little…
FRESH WATER LAKES AND PONDS
Fresh water lakes have variety of size, depth, and nutrient content. The have distinct life zones and temperature stratification. The distribution of life in lakes depends on light, nutrients and…
ECOSYSTEMS OF THE EARTH
There are two types of ecosystems: 1. Aquatic or Hydrospheric ecosystem: It is system in which living components exchange material and transfer energy within water. Aquatic environment is classified into…
COMMUNITIES AND ECOSYSTEM
COMMUNITIES Community is composed of all populations living in an area. Communities are not random mixtures of species. They have a unique organization. Most communities have certain important members. These…
OBJECTIVES OF ECOLOGY AND POPULATION
Following are the objectives of ecology niche and population shown in the form of Multiple choice questions (MCQ's) Multiple Choice Questions MCQs Four options are given at the end of…
MODEL SUBJECTIVE QUESTION OF ECOLOGY INDIVIDUAL AND POPULATION
Discuss energy as abiotic environment. Discuss temperature as abiotic environment. Write note on population growth. How population growth does is regulated? What is intraspecific competition? Write note on interspecific interactions.…
DEFINITIONS AND KEY POINTS OF ECOLOGY INDIVIDUAL AND POPULATION
TERMS DEFINITIONS Habitat All living (biotic) and nonliving (abiotic) characteristics of the area in which an animal lives is called habitat. Tolerance range Certain range of values in which…
Interspecific Interactions , Competition , Coevolution & Symbiosis
The interactions among members of the different species are called interspecific competition. Members of other species can affect all char cteristics of a population. Interspecific interactions are herbivory, predation, competition,…