Title

Spirogyra prefers to live in fast-flowing water.

Water currents have no effect on plants and animals.

Organisms in fast-flowing rivers and streams have adaptations to prevent them from being swept away. (correct)

Tilapia can survive equally well in both slow and fast-flowing water.

They carry cold water to warmer regions.

They have no effect on the distribution of organisms.

They carry warm water to colder regions. (correct)

They increase the turbidity of the water.

Water currents have no effect on aeration in the water.

Water currents decrease aeration in the water.

Water currents increase aeration in the water. (correct)

Water currents cause the water to become stagnant.