Food chain refers to a process cycle from producer to consumer to decomposer. Plants – herbivores – omnivores – carnivores</span> <span>Start
-> Plants -> herbivore insect -> spiders -> small bird
-> Snake -> hawk -> fox -> lion -> when died the body
will be eaten by hyena-> when hyena died -> body get decompose and
be eaten by worms and the rest will be plant’s fertilizer.
The process of the food chain will then again takes place over and over again.<span> </span></span></span>
In biology, a gene is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.