Food Chain Efficiency

question 2

Multiple Choice

Food chain efficiency

• A) Is always greater, the higher you go in the food chain
• B) Is an important determinant of the potential fish production in the sea
• C) Is usually greater than 50 percent
• D) None of the above

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Definitions:

Supraorbital Foramen

An opening or notch in the frontal bone of the skull, above the eye orbit, through which the supraorbital nerve and vessels pass.

Infraorbital Foramen

An opening located below the orbit (eye socket) on the skull through which nerves and blood vessels pass.

Foramen Magnum

The large opening at the base of the skull through which the spinal cord passes to connect with the brain.

Vertebral Arteries

Arteries that supply blood to the upper spine, brainstem, cerebellum, and posterior part of the brain.