C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
The answer is a because if you look at the bone structure in each animal, you would notice how similar they look to one another, and all of the animals above use their legs for the same function which is walking which can suggest that all had a common ancestor.
hopefully this helps
Water can act as either a base or an acid. Water acts as an acid by donating a hydrogen ion when it reacts with a stronger base such as sodium hydroxide. Water may also act as a base when it accepts hydrogen ion when reacting with a strong acid such as hydrochloric acid. This is based on Bronsted concept and definition of a base ( proton acceptor) and acid (proton donor). Such a compound that can act as a base and as an acid is called an amphiprotic molecule.
The time of the revival of learning is such as the Bible, art, and true science is called the "Renaissance." You forgot to include the Bible in your quesiton.
Answer: Renaissance
sad!; live
