Where do consumers directly get matter and energy to live and grow?

Explanation:

Consumers must consume, or eat, other organisms to get matter and energy to live and grow. Consumers have to eat other consumers or plants to get food. Humans are consumers. We consume many kinds of plants and other organisms.

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

not too sure but maybe in the hot springs.