Answer:
Tapeworms are a parasite of humans
Explanation:
Tapeworm infection is caused by ingesting food or water contaminated with tapeworm eggs or larvae. If you ingest certain tapeworm eggs, they can migrate outside your intestines and form larval cysts in body tissues and organs (invasive infection).
Answer:
oxygen gas is most abundant in the atmosphere
Answer:
A silent mutation is a mutation that is not observable effect on the organism's phenotype.
Explanation:
For example, if a base pair on a strand of dna got switched with another but the amino acid sequence remained the same, it is a silent mutation. Attached is a picture example. I hope this helped!
The answer is thyroidectomy