The role and position of an organism in the ecosystem encompassing both the physical space it occupies and its functional role with in the community is known as:
Ecological Niche: Organism's Role and Position
The term describing an organism's complete role and position within its ecosystem is the Ecological Niche.
This comprehensive concept includes:
- The specific physical space or habitat the organism occupies.
- Its functional role within the community, including its interactions with other species (predation, competition, symbiosis).
- Its unique way of life, encompassing resource utilization and response to environmental factors like temperature and humidity.
Why Other Options Are Incorrect
The other options represent different ecological concepts:
- Ecological Productivity refers to the rate at which biomass is generated within an ecosystem, not an organism's specific role.
- Energy Flow describes the transfer of energy through various trophic levels in an ecosystem, a broader process.
- Trophic Pyramids are graphical representations illustrating the biomass, number of organisms, or energy at each trophic level, showing structure but not defining an individual organism's niche.
The question specifically asks for the definition encompassing both physical space and functional role, which is precisely what an Ecological Niche represents.
Important Questions from Ecology and Ecosystem
- Consider the following statements and choose the correct one:
A. 'Bio' is a Greek word means life
B. Biosphere is an integral part of the earth system which supports all kinds of life
C. All the biological components of the Earth living as well as the dead, fall in the category of biosphere.
D. The term 'Biosphere' has been coined by Peter Suess.
Choose the correct answer from the options given below : Which of the following statements are correct about nutrient cycle ?
A. Carbon dioxide gas which makes up about 0.040% of the volume of the earth's atmosphere
B. Specialised bacteria convert most of the $NH_3$ and $NH_4^+$ in the soil to nitrate ions $NO_3$-
C. Phosphorus does cycle through the atmosphere and its cycle is fast
D. Much of the earth's sulfur is stored underground in rocks and minerals
Choose the most appropriate answer from the options given below:- Which of the following statements are correct about 'ecological succession'?
A. Gradual Change in species composition in a given area is called ecological succession
B. Primary ecological succession does not involve the gradual establishment of communities in lifeless areas
C. Secondary ecological succession means series of ecosystems of different species develop in places containing soil
D. Ecological succession is not an important ecosystem service
Choose the most appropriate answer from the options given below : - Food web consists of different types of __________.
- Notice the following energy flow components and organize the flow of energy from the origin to end.
A. Plants
B. Electricity
C. Fossilization
D. Power Plants
E. Sun
Choose the correct answer from the options given below :
