The Protozoan Didinium Feeds on Other Organisms by Engulfing Them

question 41

Essay

The protozoan Didinium feeds on other organisms by engulfing them.Describe the cellular characteristics necessary to feed this way and explain why this is not a mechanism by which bacteria can acquire energy.Are bacteria, in general, unable to feed on other cells in this way?

---

Definitions:

Postcentral Gyrus

A region of the cerebral cortex located immediately posterior to the central sulcus, responsible for processing somatosensory information.

Precentral Gyrus

The region of the cerebral cortex located in the frontal lobe, directly involved in controlling voluntary movements.

Prefrontal Gyrus

A portion of the frontal lobe in the brain, important for higher cognitive functions such as decision-making and social behavior.

Central Sulcus

A prominent landmark of the brain, separating the frontal lobe from the parietal lobe, playing a key role in dividing areas involved in motor and sensory functions.