Another word for "Molting" is called

• Metamorphosis

• Tagmatization

• Scaling

• Ecdysis

Which of the following is not an arthropod characteristic?

• protostome development

• bilateral symmetry

• a pseudocoelom

• modified metamerism

What is the meaning of 'arthropoda'?

• jointed foot

• hard shell

• soft body

• six legs

What is the name of the process members of phylum arthropoda do when they undergo significant changes from young to adult?

• metamorphosis

• tagmatization

• segmentation

• ecdysis

The phylum name Echinodermata means..

• spiny star

• body in 5 parts

• pointed skeleton

• spiny skin

The most distinctive evolutionary trait of the echinoderms

• Respiratory System

• Water Vascular System

• Complete Digestive System

• Nervous System

Which is the correct movement of water through the water-vascular system?

• madreporite > ring canal > radial canal > ampulla

• stone canal > radial canal > mouth

• radial canal > ring canal > stone canal > madreporite

• madreporite > ring canal > stone canal > ampulla

What type of symmetry do adult echinoderms have?

• radial

• pentaradial

• bilateral

• asymmetry

Which organ allows the fish to adjust its buoyancy?

• pectoral fin

• swim bladder

• pyloric cecae

• caudal fin

Osteichthyes refers to...?

• jawless fish

• bony fish

• cartilaginous fish

• lobe-finned fish