Across
- 1. In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum ?
- 6. Which one term in the following includes the others ?air, flora, fauna, environment, water, sunlight, soil
- 7. What is the functional unit of the environment comprising of the living and non-living components called ?
Down
- 2. What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants ?
- 3. Which one of the following is not a terrestial ecosystem ?
- 4. Grassland, Aquarium, Desert
- 5. A food chain represents a unidirectional flow of X. What is X ?