Pseudomonas Aeruginosa Is a Bacterium That Can Settle on Human

question 12

Multiple Choice

Pseudomonas aeruginosa is a bacterium that can settle on human lung cells.P.aeruginosa can secrete a signalling molecule that recruits other P.aeruginosa cells.The result of this secretion is the formation of a

• A)capsule.
• B)slime layer.
• C)biofilm.

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Definitions:

Secondary Consumer

Organisms, typically carnivores or omnivores, that obtain energy by consuming primary consumers in an ecosystem's food chain.

Tertiary Consumer

An organism that typically occupies the fourth trophic level in a food web, primarily consuming secondary consumers.

Carnivore

Consumer in a food chain that eats other animals.

Biogeochemical Cycle

A natural process involving the circulation and transformation of chemicals in the Earth's ecosystems.