READING UNIT 5

What is the size of the long-snouted seahorse?

• 30 cm

• 20 cm

• 15 cm

• 10 cm

How do long-snouted seahorses prevent being swept away?

• Swift swimming

• Clinging to seaweed and seagrass

• Burrowing in the sand

• Hiding in rock pools

What is the primary defense mechanism of little cuttlefish?

• Speedy swimming

• Releasing a jet of ink

• Changing coloration to bright red

• Growing a protective shell

How deep can cushion stars be found on the seabed?

• 50m

• 75m

• 100m

• 125m

What triggers the transition of small cushion stars into females?

• Age

• Size

• coloration

• depth of habitat

What is the size of the spotted cowrie?

• 3 cm

• 2 cm

• 1,5 cm

• 1 cm

Where are spotted cowries typically found?

• Sandy seabeds

• Rocky shores

• Seaweed forests

• Open water

What is another name for sand hoppers?

• sand fleas

• jumping crabs

• beach bugs

• shore skippers

How do sand hoppers spend the winter?

• Migrating to warmer waters

• Buried in the sand

• Hibernating in rock pools

• Flying to tropical beaches

What syndrome can be caused by the Irukandji jellyfish toxin?

• Tropical fever

• Anxiety and nausea

• Severe sunburn

• Respiratory failure