Barnacles

What were gooseneck barnacles originally believed to be?

• A type of mollusc

• Birds that generated barnacle geese

• Crustaceans like crabs

• A form of ancient algae

Who is considered the father of modern taxonomy?

• Charles Darwin

• Louis Pasteur

• Carl Linnaeus

• Gregor Mendel

What did a British army surgeon discover about barnacles in the early 1800s?

• They were related to snails

• They were a source of food

• They had swimming larval stages

• They could attach to any surface

What is one of the five calcareous plates that make up an acorn barnacle's outer shell called?

• Plastron

• Mantle

• Carina

• Carapace

What subclass of barnacles is known only from their larval stage?

• Facetotecta

• Cirripedia

• Rhizocephala

• Thoracica

What is the barnacle's adhesive called?

• Mucus

• Paste

• Cement

• Glue

Why are barnacles called 'fouling organisms'?

• Because they cause diseases

• Because they pollute the water

• Because they are toxic to eat

• Because they attach to floating objects and cause drag

What surface material inhibits permanent barnacle attachment?

• Glass

• Porous silicone

• Wood

• Metal

Tags

NGSS.MS-ETS1-3

How much can some barnacle species sell for?

• $50/pound

• $37/pound

• $15/pound

• $5/pound

What is the final larval stage of the acorn barnacle called?

• Metamorphosis

• Nauplius

• Cyprid

• Zoea