Last seen: Sep 30, 2021
One measure of the biodiversity of an area is the number of species found there. Secondly, the range of different life forms is also important.
Hawk will have highest concentration of non-biodegradable chemicals. The phenomenon is called biomagnification.
Herbivores are always at the 2nd trophic level.
Only green plants can make their own food from sunlight. Green plants therefore, always occupy the 1st trophic level in a food chain.
100 Joules of energy will be available to the organism of the 2nd trophic level.
Green plants can produce their own food by photosynthesis from inorganic compounds and hence are called producers.
Agricultural/crop fields, aquaria, gardens.
Two biotic components of a biosphere are plants and animals.
Two natural ecosystems are forest and river.
Waste food, paper, cloth, etc.
Plastics that are decomposed by the action of living organisms such as bacteria are called biodegradable plastic.
Plastic cannot be broken-down into smaller particles by the action of bacteria and hence it is called non-biodegradable.
By segregating biodegradable and non-biodegradable material.
The biodegradable and non-biodegradable wastes must be discarded in two different dustbins because biodegradable Wastes gets decomposed by the microor...
It is necessary to conserve our environment to prevent depletion of natural resources and environmental damage, thereby sustaining life.
It is the sum total of all external conditions and influences that affect the life and development of an organism, i.e. the environment includes all t...
1. - (iii) 2. - (i) 3. - (iv) 4. - (ii)
The disposal of wastes by putting it in low-lying areas of ground and covering it with earth is called landfill. True
Disposal of waste means recycling of wastes. False