Orchid Species That Have Lost Their Ability to Photosynthesize, and Instead

question 40

Multiple Choice

Orchid species that have lost their ability to photosynthesize, and instead parasitize fungi for all their energy needs, would best be classified as

• A) chemosynthetic organisms.
• B) holoparasites.
• C) photosynthetic organisms.
• D) hemiparasites.

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Definitions:

Ventilation

Process of moving air into and out of the lungs; breathing.

External Respiration

Exchange of oxygen and carbon dioxide between alveoli of the lungs and blood.

Internal Respiration

Exchange of oxygen and carbon dioxide between blood and tissue fluid.

Cellular Respiration

The process by which cells convert glucose and oxygen into ATP, releasing carbon dioxide and water.