The most widespread form of symbiosis in nature is
mutualism
commensalism
predatism
parasitism
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- The source of energy in an ecosystem is
- Association of a sea-anemone with hermit crab living in a gastropod shell is an example of
- Synecology is the study of
- The transitional zone where two different types of communities meet is called the
- Which one is the direct ecological factor ?
- Biome is
- Silent valley of Kerala is preserved because
- The total interacting animals and plants in any well defined area which as field or a pond is known…
- A food-chain consists of
- The term "ecosystem" was first proposed by
- Smog is a combination of
- Synecology is the study of
- Trophic levels are formed by
- Some animals have a constant high body temperature. This is because
- Gas liberated in Bhopal gas tragedy was
- In an ecosystem the population of
- Strontium- 90 can cause
- Ultra-violet radiation from sunlight causes the reaction that produce
- When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas…
- When compared to the trophic level above, the total energy present in any given trophic level is necessarily
- Which is the correct sequence in a food-chain
- Species that occur in different geographical regions separated by special barriers are
- Plants growing on sea shores show characters of
- Soil particles are arranged in order of increasing size are
- A pond is
- Acid rain is
- The most widespread form of symbiosis in nature is
- The first fish that eats upon the planktonic form is
- The total set of feeding relationships in a biotic community is called
- Which of the following is normally not an important atmospheric pollutant