Extinctions.
because it would change all the system in a food chain
it makes it a food chain
The food chain gets broken every time a creature goes extinct.
Kill off a species of animals.
there would be no variety
No not really it is done by humans
A Mekong food chain is a food chain of the Mekong region
food chain of a eagle
food chain on land
what is a monkeys food chain
arboreal food chain
Because they use the word 'chain' as a type of metaphor. They use chain as a metaphor because the food keeps on going on and on, as does a chain.