Removal of the starfish Pisaster from an intertidal area led to:

Question

Accepted Answer

A. Extinction of over 10 species

1. Pisaster is a key predator on the American Pacific coast.
2. Over 10 invertebrate species went extinct within a year.
3. Predators reduce competition among prey.
_Source: syllabus Biology, Chapter 13, Organisms and Populations._

Answer

Doubling of prey species

Answer

No change in diversity

Answer

Growth of coral reefs

Removal of the starfish Pisaster from an intertidal area led to:

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