Invasive Species Such as Kudzu and Johnson Grass Have the Potential

question 50

Multiple Choice

Invasive species such as kudzu and Johnson grass have the potential to disrupt natural communities because ________.

• A) in a new location there are no "natural enemies" to reduce their invasive potential
• B) most reproduce asexually and can produce new individual adapted to their new home
• C) they have deep root systems that compete with established plants
• D) they grow rapidly and so put more energy and food resources into growing and not into reproduction
• E) they put more energy and resources into defense against a new set of pests and predators, so don't reproduce as rapidly

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Definitions:

Virtual Reality Exposure Therapy

A therapeutic technique that uses simulated environments within virtual reality to expose individuals to situations related to their psychological issues in a controlled manner.

Aversive Conditioning

A form of behavior therapy that involves repeated association of an undesired behavior with an unpleasant stimulus to reduce the behavior.

Double-blind Procedure

A study design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias in research results.

Joseph Wolpe

A psychiatrist known for developing systematic desensitization, a process used to reduce phobias and anxieties.