Marine Worms

This person is holding a very small worm on their finger. This worms body is very flat. What phylum does it belong to?

• Porifera

• Cnidaria

• Mollusca

• Platyhelminthes

Answer explanation

yes, remember PLAT = FLAT!

Large tube worms over six feet long are one of the most visible animals at the vents. These tube worms, secrete a thick paper-like white tube along their body. The worm does not have a mouth or gut instead they rely on bacteria living in their tissues to produce the 'cell food' needed to keep them alive. It is believed these worms are some of the fastest growing invertebrates known. Name the type of symbiotic relationship between the bacteria and tubeworm

• parasitic

• commensalism

• mutualistic

Tags

NGSS.MS-LS2-3

Planaria

• Phylum Platyhelminthes

• Phylum Nematoda

• Phylum Annelida

• Phylum Porifera

Tags

NGSS.MS-LS4-2

What is the primary habitat of marine worms?

• Coral reefs

• Deep-sea hydrothermal vents

• Freshwater lakes

• Deserts

Which of the following is a common characteristic of marine worms?

• Exoskeleton

• Segmented body

• Feathers

• Wings

Marine worms are known to play a crucial role in which of the following processes?

• Photosynthesis

• Nitrogen cycling

• Carbon fixation

• Pollination

Tags

NGSS.MS-LS2-3

What is the primary diet of marine worms?

• Plankton

• Algae

• Detritus

• Small fish

Which of the following marine worms is known for its bioluminescent properties?

• Ragworm

• Fireworm

• Earthworm

• Flatworm

How do marine worms contribute to the marine ecosystem?

• By pollinating marine plants

• By providing food for larger predators

• By producing oxygen

• By decomposing organic matter

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What adaptation allows marine worms to survive in low-oxygen environments?

• Gills

• Lungs

• Specialized hemoglobin

• Air sacs