The answer is; B
Mutations change the order of nucleotide and therefore affects codons that code for proteins. A different protein is thus produced from the wild type hence creating variations. Genetic shuffling in sexual reproduction, also called gene recombination occurs during meiosis and also when different organisms exchange genetic material such as in bacteria.
This is a trick question there is no there name for it
New substances are formed during a physical change
For matter to be recycled and returned to the food chain, decomposers must be present. Decomposers are the final link in a food chain. They play a very important role in the food chain and makes it a cyclic process. They eat up dead animals and plants and produce nutrients from these matter back to the food chain. Plants needs nutrients for growth while living animals take up the nutrients they need from eating plants. The nutrients from these living organisms are recycled back to the ecosystem when they die by the process called decomposition with the help of decomposers.
