Annelids

What class / subclass?

• Oligochaeta 
• Polychaeta
• Hirudinea

What class / subclass?

• Oligochaeta 
• Polychaeta
• Hirudinea

Tags

NGSS.MS-LS4-2

What class /subclass?

• Oligochaeta 
• Polychaeta
• Hirudinea

Tags

NGSS.MS-LS4-2

Earthworms are invasive species.

• True

• False

Answer explanation

True! Earthworms are invasive - they were accidentally brought over from Europe on ships. However, they have proven to be beneficial to soil quality and agriculture, so we don't consider them harmful invasive species.

What do earthworms eat?

• grass
• insects
• dirt
• organic matter in the soil

A stiff hair, bristle or bristle like process or part on an organism

• Ganglia
• Setae
• Parapodia
• Nephridia

Tags

NGSS.MS-LS4-2

Which of the following is a thickened segment of the earthworm’s body is used in reproduction?

• Septa
• Setae
• Clitellium
• Ganglia

Tags

NGSS.MS-LS1-4

Annelids have segments that are specialized for feeding, reproduction, and locomotion, a feature known as

• Segmentation
• Tagmatization
• Parthenogenesis

The leg-like structures seen in polychaetes are called

• Setae
• Parapodia
• Antennae
• Trochophores

Tags

NGSS.MS-LS4-2

Leeches are considered

• parasites
• filter feeders
• poisonous
• predators
• parasitic-predators