Though Occupying Only 7% of the World's Total Land Area

question 40

True/False

Though occupying only 7% of the world's total land area, tropical rain forest's account for approximately 50% of the Earth's species and about half of its remaining forests.

Distinguish between species that facilitate versus those that inhibit succession in ecosystems.

Recognize the stages of ecological succession and the characteristics of organisms found in each stage.

Understand the benefits of polycultures over monocultures in agricultural ecosystems.

Differentiate between disturbances and stressors in ecosystems.

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Definitions:

Primary Prevention

Strategies and actions taken to prevent the initial occurrence of a disease or injury.

Health Promotion

Activities and policies targeted at enhancing well-being and preventing health problems through encouraging healthy behaviors.

Immunizations

The process of making a person immune or resistant to an infectious disease, typically by the administration of a vaccine.

Preventive Services

Medical services aimed at disease prevention and health promotion to avoid or minimize the impact of disease and disabilities.