Fact 1: Asandbar is formed by water moving sediment downstream.

Fact 2: Numerous sandbars and abundant woody debris provide valuable habitat for aquatic species.

Given the two facts above, answer the question "Water moving sediment downstream can form" with the following options: 
- fissures of hot, acidic water
 - taiga
 - underground systems
 - habitats for aquatic species
 - swamp vegetation
 - hurricanes
 - volcanoes
 - basic building blocks of life


 

    habitats for aquatic species     