You are presented with the question "Water moving sediment downstream can form" and the following answer choices: 
- fissures of hot, acidic water
 - taiga
 - underground systems
 - habitats for aquatic species
 - swamp vegetation
 - hurricanes
 - volcanoes
 - basic building blocks of life

Now knowing that asandbar is formed by water moving sediment downstream and numerous sandbars and abundant woody debris provide valuable habitat for aquatic species, choose the best answer.


 

    habitats for aquatic species     