Limpets have less of an impact on seaweed cover than sea urchins do.
Does the distribution of seaweed get impacted by sea urchin feeding?
- Although seaweeds and other types of algae are widespread, they rarely form substantial stands.
- So it seems that the local distribution of seaweeds is constrained by sea urchins.
- The biggest increase in seaweed cover was seen when both limpets and urchins were eliminated, showing that both species can affect where seaweed is found.
- Aristotle's lantern is the mechanism used by sea urchins to consume food.
- It consists of five rigid plates that join together to form a beak.
- They scrape algae off rocks using their mouth, which resembles a beak.
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