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