There Are Tube Worms and Clams That Live at the Bottom

question 17

Multiple Choice

There are tube worms and clams that live at the bottom of the ocean near thermal vents. They derive their energy ultimately from

• A) the sun, by way of burning fossil fuels like we do with coal and oil.
• B) the sun, but they are deep in the dark ocean and live off dead detritus that sinks to them.
• C) bacteria that break apart hydrogen sulfide molecules and are therefore not dependent ultimately on sunlight.
• D) sources not yet known.
• E) photosynthesis.

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Definitions:

Jews

An ethnoreligious group originating from the Israelites or Hebrews of the ancient Middle East, known for their shared heritage, religion (Judaism), and traditions.

Serfdom

A condition of bondage or modified slavery in which an individual is tied to owning land and owes service and labour to the landowner.

Unpopulated Parts

Areas or regions that are not inhabited by people.

Taxed

The imposition of financial charges or levies upon an individual or an entity by a governing body in order to fund public expenditures.