<u>Answer:- </u> Decomposition
<u>Explanation:- </u>
Decomposition is a natural process that occurs in the environment to break down organic substances into simpler substances.
- All the living organisms that die, are decomposed and their bodies are broken down into simpler substances such that the nutrients are released into the soil.
- The plants are then able to absorb these nutrients from the soil and thus, the nutrient cycling goes on as the organisms feeds on it.
- Not only the dead animals but also the fallen leaves and other parts of the plant gets decomposed as they die.
- The process of decomposition is carried out by living organisms present in the soil such as bacteria. Such organisms are called as decomposers.
In this type of descent group, two individuals cannot actually trace how they are related by blood; rather, they trace their descent to a mythical ancestor.
-Clan
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Answer:
Biodiversity
Explanation:
Biodiversity deals with how specie rich an ecosystem is. An ecosystem with a large number of specie can be said to be bio-diverse i.e it has a wide variety of species.
The tropical regions of the world can be said to be bio-diverse in that a wide variety of species inhabit them.
"An example of mutualism in the rainforest is the pollination of the Durian tree by bats."