What is the ultimate source of energy for the ecosystems ?
Sunlight can be considered as a last source of energy for ecosystem. Hydrothermal ecosystem is located in depth of bottom of sea.
If the plant producer dies in the ecosystem, then the system is
Choose correct sentence.
Identify the likely organisms $(1), (2), (3)$ and $(4)$ in the food web shown below.
Driving force of an ecosystem is
In a pond ecosystem, benthos means