Distinguish between
$(a)$ Litter and detritus
$(b)$ Primary and secondary productivity
$(a)$ Litter and detritus
Litter | Detritus | ||
$1$. Litter contains all kinds of wastes generated above the ground. | $1$. Detritus is composed of the remains of dead plants and animals. | ||
$2$. Litter contains both biodegradable and non-biodegradable matter. | $2$. Detritus contains only biodegradable matter. |
$(b)$ Primary and secondary productivity
Primary productivity | Secondary productivity | |
$1$. It is defined as the amount of organic matter produced by producers per unit area over a period of time. | $1$. It is defined as the rate of production of organic matter by consumers over a period of time. |
What could be the reason for the faster rate of decomposition in the tropics ?
The rate of decomposition is faster in the ecosystem due to following factors $EXCEPT$
To eat and be eaten relationship is called as
Which of the following abundantly occurs in pond ecosystem
How many food chains are there in the food web shown above?