Roundworms Flatworms Segmented Worms

Which group does the hookworm belong to?

Tags

NGSS.MS-LS4-2

Three major worm phyla: flatworms, roundworms, and:

Tags

NGSS.MS-LS4-2

Roundworms have a digestive tract with_____opennings.

• one

• three

• five

• two

Tags

NGSS.MS-LS4-2

Segmented worms have a(n)_____cirulatory system.

• open

• round

• closed

• tight

Tags

NGSS.MS-LS4-2

These are unsegmented worms that have long, thin, round bodies pointed at both ends and are covered by a tough cuticle.

• Platyhelminthes

• Nematodes

• Annelids

They have body segments that allow for specialization of tissues and for efficient movement.

• Platyhelminthes

• Nematodes

• Annelids

Tags

NGSS.MS-LS4-2

Which of the following is an example of a nematode?

• earthworm

• tapeworm

• trichina

Which of the following worm types is known for having a segmented body structure?

• Flatworms

• Roundworms

• Segmented Worms

• None of the above

What type of circulatory system do segmented worms possess?

• Open

• Closed

• None

• Partial

Roundworms are also known as:

• Nematodes

• Annelids

• Platyhelminthes

• Cestodes