The cells of all organisms produce waste materials that must be removed or the cell will die. Organisms must also rid
themselves of waste products in order to survive. The process
by which both cells and organisms rid themselves of waste
materials is known as:
Respiration
Digestion
Excretion
Reproduction

Excretion is the process by which cells and organisms rid themselves of waste.

answer: node would be introduced.   is the correct

explanation:

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation: