They have a stomach, just like us.
The otters favourite food is sea urchins.
Purple sea urchins live in close association with kelp forests. Kelp is their primary food.
Yes, urchins are considered "cleaners" and will scavenge the bottom of the tank for food.
Sea urchins eat endlessly as long as there is food they are eating. They eat the algae growing in slat water tanks and the ocean.
No. Sea urchins live in the sea.
An overfishing of herring can disrupt the food chain and remove a key predator of sea urchins. With fewer herring to feed on sea urchins, their populations can increase unchecked leading to ecosystem imbalance and potentially to overgrazing on kelp forests where sea urchins feed.
Sea urchins are used as food and medicine .
More sea urchins.
Sea urchins get their food at the bottom of the sea floor to eat dead fish.
Some species of sea urchins have venomous spines which keep them protected as well as helping them obtain food. There are more than 700 species of sea urchins alive today, and each has a unique way of finding and eating food.
The classification of a Sea Urchin is Echinoidea
Sea Urchins' "Gonads" with lots of Communist Butter!