Which term is defined as a coral reef that originally formed around the edges of a volcanic island? a mid-ocean ridge

a continental margin

an atoll

a submarine canyon

Angiosperms are the most successful terrestrial plants. which of the following features is unique to them and account for their success? a. fruits enclosing seeds b. wind pollination c. sperm cells without flagella d. embryos enclosed within seed coats e. dominant gametophytes