25.1-25.2 Flatworms and Roundworms

Flatworms tend to be smooth and dry.

• False

• True

Roundworms reproduce sexually.

• True

• False

Tags

NGSS.MS-LS3-2

Free-living flatworms reproduce asexually by regeneration.

• True

• False

Tags

NGSS.MS-LS3-2

Flame cells move water and nutrients from the body of a flatworm.

• True

• False

Tags

NGSS.MS-LS1-2

Flatworms are pseudocoelomates, meaning they lack an internal body cavity.

• True

• Flase

Which is true of both flatworms and roundworms?

• They both have radial symmetry.

• They both have bilateral symmetry.

• they are both acoelomates.

• They are both pseudocoelomates.

Tags

NGSS.MS-LS4-2

Heartworms are found in many cats and dogs. What type of worm is a heartworm?

• ascarid

• pinworm

• filarial

• hookworm

How do humans usually contract trichinosis?

• eating undercooked pork

• eating unwashed vegatables

• swimming in contaminated water

• receiving a mosquito bite

Why are certain nematodes useful in controlling animal pests?

• they are competitors

• they are symbionts

• they are predators

• they are parasites

Tags

NGSS.MS-LS2-4

Which characteristics makes rotifers different from roundworms?

• have bilateral symmetry

• have rings of cilia

• are pseudocoelomates

• live in freshwater habitats

Tags

NGSS.MS-LS4-2