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Substances that are broken down by biological processes are said to be non-biodegradable.
Every food chain in the ecosystem begins with____which are the original source of food.
Which of the following are trophic levels? Choose 2 options:
Which among the following statements is incorrect in view of the plants?
They convert the solar energy into mechanical energy.
They prepare their food from organic compounds.
They are also called producers.
They are the initial source of energy in a food chain
All the interacting organisms in an area together with the non-living constituents of the environment form a/an __________.
As human beings occupy the top level in any food chain, the maximum concentration of these chemicals get accumulated in our bodies. This phenomenon is known as
Improvements in our life-style have resulted in greater amounts of:
carbon dioxide generation
waste material generation
What will happen if deer is missing in the food chain given above? Choose 2 correct options:
The population of tiger decreases
population of grass increases
The population of tiger increases
The population of grass decreases
Fill in the empty slots below:
An ecosystem consists of abiotic components comprising physical factors like:
1. ___soil ___
Which of the two belong to the same trophic level?
Human-made materials like ____ will not be broken down by the action of bacteria or other saprophytes.
There is ______ of energy as we go from one trophic level to the next