Bacteria Participate in Many Ecological Interactions

question 55

Multiple Choice

Bacteria participate in many ecological interactions.Which of the following roles typically does not require or involve symbiosis?

• A)living as commensalists on the skin of humans
• B)providing bioluminescence in fish
• C)digesting food as mutualists in animal intestines
• D)decomposing dead organisms and organic wastes

Understand how to select effective keywords for document titles to convey subject and purpose.

Understand various defense mechanisms according to Freud's theory.

Identify examples of specific defense mechanisms in daily life situations.

Distinguish between different defense mechanisms such as displacement, regression, and projection.