Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.
Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver,and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Answer: The answer is B
Explanation:
sea cucumber lives in the ocean