The schematic below shows the relationship between survivorship with age (relative to maximum lifespan) in Species 1 (dashed line) and Species 2 (solid line). Which of the following inferences is compatible with this figure?

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#Question id: 9158

#Section 2: Evolution

Coral reefs occur on the southeast coast of the United States but not at similar latitudes on the southwest coast. Differences in which of the following most likely account for this?

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#Question id: 11350

#Section 4: Behavioural Ecology

Which of the following adaptations has been exploited by at least one kind of parasite to circumvent the immune system of its host?

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#Question id: 12460

#Section 1: Ecology

The realized niche of an organism is

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#Question id: 10594

#Section 1: Ecology

Which of the following is not characteristic of ruderal species?

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#Question id: 10661

#Section 1: Ecology

Semelparous species are those that produce all of their offspring in a single reproductive event. The survivorship curve of a population of a semelparous species would most likely resemble which of the following?