In the Carbon Cycle

question 5

Multiple Choice

In the carbon cycle,

• A) photosynthesis always balances respiration.
• B) CO₂ enters the ocean primarily by photosynthesis.
• C) CO₂ in the ocean forms a weak acid.
• D) carbon enters the food chain in the form of CO₃^-2.
• E) none of the above

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Definitions:

Anatomical Position

A standard posture in which an individual stands upright with arms at the sides and palms facing forward, used as a reference in describing the relation of body parts to one another.

Thumbs

The first digit on each hand, highly mobile and capable of opposition to the other fingers, allowing for grasping and manipulating objects.

Gallbladder

A small digestive organ that stores bile produced by the liver, releasing it into the small intestine to aid in the digestion of fats.

Ventral Body Cavity

A large body cavity in humans and many animals that houses the majority of the thoracic and abdominopelvic organs, separated into two parts by the diaphragm: the thoracic cavity and the abdominopelvic cavity.