Because the eggs make great omlettes
Because sea urchins have large numbers of relatively big eggs
Because sea urchins have large numbers of eggs
Because a sea urchin's egg is relatively big
Strongylocentrotus
Purpuratus
Animalia
Echinoderms
Feet
Nose
Mouth
Spine
Dome
Porcupine
Toothpick
Pentamerous
Algae
Sea cucumbers
Other sea urchins
Small fish
Both intertidal area and subtidal areas
On the beach
Subtidal area only
Intertidal area only