Sea Otters Have Been Used as an Example of the "Keystone

question 29

Multiple Choice

Sea otters have been used as an example of the "Keystone Species" concept.This means that sea otters

• A)provide the carnivorous component of the food chain in which they live.
• B)promote the edge effect in the kelp forests off the northern coastline of California.
• C)exert a particular strong influence on the structure and functioning of an ecosystem.
• D)offer an opportunity for scientists to study the long-term effects as the sea otter populations are harvesteD.
• E)interactions with the kelp forests and the sea urchins have not really had any consequences that need to be currently studied.

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Definitions:

Cognitive Therapy

A form of therapy designed to identify and change irrational, unproductive ways of thinking and, hence, to reduce negative emotions.

Scientist-Practitioner Gap

The divide between academic research in psychology and its application in clinical practice, highlighting differences in priorities and methodologies.

Psychotherapy

A form of treatment aimed at improving mental health and well-being through talking with a psychologist or other mental health professional.

Control Group

In an experiment, the group that does not receive the treatment under study and is used as a benchmark to measure how the other tested subjects do.