Bio tic factors are
chemical factors of soil which affect life
physical factors of soil which affect life
all living organisms which influence other organisms
factors of atmosphere which affect life
- Which one is the direct ecological factor ?
- Acid rain is
- Smog is a combination of
- One always finds many more of the prey species than of the predator. This is called a
- The whale is
- Strontium- 90 can cause
- The term "ecosystem" was first proposed by
- The total set of feeding relationships in a biotic community is called
- Soil particles are arranged in order of increasing size are
- An organism which lives at the expense of another organism is called
- A pond is
- Which of the following is an anti-forest conservation activity ?
- A food-chain consists of
- Silent valley of Kerala is preserved because
- Animals in cold regions have fur because
- When compared to the trophic level above, the total energy present in any given trophic level is necessarily
- In a food-chain, the saprophytic organisms are
- Biological equilibrium is equilibrium among the
- Which is the correct sequence in a food-chain
- All the living organisms on earth constitute
- Bio tic factors are
- The source of energy in an ecosystem is
- The main cause of soil erosion in India is
- An association between two or more species in which both are benefited is known as
- Biome is
- The energy storage of consumer level is called
- Birth rate under ideal conditions is known as
- The most polluted city in the world is
- Trophic levels are formed by
- Synecology is the study of