The Presence of a Mutualist Spider in a Certain Area

question 38

Multiple Choice

The presence of a mutualist spider in a certain area improves the survival of an herbaceous shrub by reducing the impact of herbivorous insects. These spiders are preyed on by lizards, and lizards are eaten by birds. The removal of birds from the area would most likely have a(n) _______ effect on spiders and a(n) _______ effect on the plant.

• A) indirect positive; indirect positive
• B) indirect negative; indirect positive
• C) direct negative; direct negative
• D) indirect negative; indirect negative

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Definitions:

Auditory Stimulus

A sensory input related to hearing, such as sounds or noises, that can elicit a response from an organism.

Facial Expression

The use of the facial muscles to convey emotion, information, or reactions.

Eyelids Lifted

The action of raising the upper eyelids, usually to widen the eyes, associated with increased alertness or surprise.

Mouth Corners

The outer points of the mouth where the upper and lower lips meet.