Question

the following sentences contain blanks. use the drop - down menus to complete eac the galápagos islands have several distinct ecosystems. variations in conditions a from, elevation and topography. for example, some low - lying areas hav that are higher up have lush forests with coniferous trees and moss. submerge such as, where many unique species live. coral reefs savannas taigas

Explanation:

The sentence refers to submerged ecosystems in the Galápagos Islands. Coral reefs are underwater marine ecosystems, while savannas and taigas are terrestrial (land-based) ecosystems that do not fit the "submerged" context.

Answer:

coral reefs