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