Practice problem
=== Creatures at the bottom of the ocean are part of the biosphere.
True. They live on Earth and are spherical.
True. They use and cycle nutrients that come from other ecosystems.
False. They only use nutrients that are found on the bottom of the ocean.
False. They do not rely on energy from the sun so they are not part of the biosphere.
Type a concept, like “slope” or “photosynthesis”.
