Sea otters (i) regulate sea urchin populations ... and demonstrated in the 1960s by the dominance of top-predator starfish in intertidal ecosystems. Keystone species are species that play a ...
They would be mistaken on two accounts. Despite their harmless appearance, starfish are carnivorous and hunt animals like molluscs. Unlike sea urchins, which chew food with teeth on their ...
The report says researchers found in their juvenile form, the crown-of-thorns starfish are incredibly resistant to heat, which allows them to survive even through the most intense sea temperature ...