Question

Your answerChoiceFeedbackCorrect answer

Pentamerous

Should have chosen
Selected

Porcupine

Should not have chosen

Toothpick

Should not have chosen

Dome

Should not have chosen
Question

Your answerChoiceFeedbackCorrect answer

Strongylocentrotus

Should not have chosen

Echinoderms

Should have chosen

Purpuratus

Should not have chosen
Selected

Animalia

Should not have chosen
Question

Your answerChoiceFeedbackCorrect answer

Because sea urchins have large numbers of eggs

Should not have chosen

Because the eggs make great omlettes

Should not have chosen

Because a sea urchin's egg is relatively big

Should not have chosen
Selected

Because sea urchins have large numbers of relatively big eggs

Should have chosen
Question

Your answerChoiceFeedbackCorrect answer

Feet

Should not have chosen

Nose

Should not have chosen

Mouth

Should have chosen
Selected

Spine

Should not have chosen
Question

Your answerChoiceFeedbackCorrect answer
Selected

On the beach

Should not have chosen

Intertidal area only

Should not have chosen

Both intertidal area and subtidal areas

Should have chosen

Subtidal area only

Should not have chosen
Question

Your answerChoiceFeedbackCorrect answer

Other sea urchins

Should not have chosen

Sea cucumbers

Should not have chosen
Selected

Small fish

Should not have chosen

Algae

Should have chosen