9. Tropical rain forests have the greatest biodiversity of any type of land ecosystem. How does biodiversity contribute to the sustainability of an ecosystem? The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster. Greater genetic variation within species makes it more likely that some individuals will survive a disease outbreak. The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem. All of the above

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Anatomical Position

Anatomical position refers to the position in which an individual faces forward with their upper limbs stretched to both sides with palms facing forward. The standard anatomical position of the body is used to reference other anatomical aspects of the body.