In the Antacacia Studies by Thomas Belt and Daniel

question 155

Multiple Choice

In the antacacia studies by Thomas Belt and Daniel Janzen, how does the relationship between ants and acacias affect the population of acacia trees?

• A) It increases the population because ants defend the tree against predation.
• B) It increases the population because ants leave organic matter in their nests.
• C) It decreases the population because ants feed on the acacia's leaves and nectar.
• D) It decreases the population because ants increase competition with other plants.
• E) It has no effect on the population; ants simply use the acacia for food and nesting sites.

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Definitions:

Myofibril

A basic rod-like unit of a muscle cell, containing the contractile elements of the muscle.

Fascicle

A bundle of skeletal muscle fibers surrounded by perimysium, a type of connective tissue.

Labeled Structure

A term typically used in anatomy or biology to refer to a described or identified part within an organism, often marked for study.

Active Sites

These are specific regions on enzymes where substrates bind and undergo a chemical reaction.