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