|Increase in ____ use near a lake could increase algae growth.
|Any animal that eats both plants and animals is an ____.
|Although born in water, an adult ____ can live in water or on land.
|Unlike fish, whales (mammals) must come to the ____ for oxygen.
|Any animal that only eats other animals is a ____.
|Octopuses release ____ to escape from predators.
|A predator kills its prey. A ____ feeds on dead animals.
|A ____ is a composite organism composed of a fungus and algae.