The total set of feeding relationships in a biotic community is called
a food chain
trophic levels
food webs
ecosystem
- Animals in cold regions have fur because
- The total interacting animals and plants in any well defined area which as field or a pond is known…
- Plants growing on sea shores show characters of
- Ultra-violet radiation from sunlight causes the reaction that produce
- A food-chain consists of
- Birth rate under ideal conditions is known as
- The energy storage of consumer level is called
- Strontium- 90 can cause
- Biological equilibrium is equilibrium among the
- Which is the correct sequence in a food-chain
- The transitional zone where two different types of communities meet is called the
- Acid rain is
- Which one is the direct ecological factor ?
- Silent valley of Kerala is preserved because
- Synecology is the study of
- When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas…
- All the living organisms on earth constitute
- Soil particles are arranged in order of increasing size are
- The most widespread form of symbiosis in nature is
- The whale is
- The most polluted city in the world is
- The main cause of soil erosion in India is
- Smog is a combination of
- Pedology is the study of
- Which of the following is an anti-forest conservation activity ?
- The total set of feeding relationships in a biotic community is called
- An organism which lives at the expense of another organism is called
- The source of energy in an ecosystem is
- In an ecosystem the population of
- Species that occur in different geographical regions separated by special barriers are