The tapeworm is a parasite, and the dog is a host.
Since each codon consist of 3 nucleotides, 4 cordons can be formed by 12 nucleotides. (but please make sure that you check this answer. I am not completely sure)
Answer:
Explanation: Non Native species come in many ways one way is by boat or some other form of transportation where whether its a plant or animal is either brought on purpose legally, brought illegally, or brought by accident. Like maybe a disease someone didn't know they had or a bug or other animal sneaks on undetected
