Annelids

 Segmented worms breathe by taking in oxygen through their______.

• Shells
• Skin
• Gills
• Lungs

All of the following body systems can be found in a segmented worm EXCEPT the _______.

• Circulatory
• Digestive
• Reproductive
• Skeletal

Which of the following is an example of a segmented worm?

• Tapeworm
• Nematode
• Leech
• Planarian

The circulatory system of annelids is

• Full
• Open
• Nonexistent
• Closed

Which of the following is a correct description of setae?

• Bristle-like structures that help earthworms move
• A thickened segment of the earthworm’s body that is used in reproduction
• A dividing wall or membrane
• An organ for excretion

Why are earthworms beneficial to humans? 

• They breakdown organic material in soil
• They aerate the soil
• Castings (worm poo) are rich in ammonia - used by plants
• All 3 are benefits

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of these is NOT part of the earthworm digestive system? 

• Pharynx
• Crop
• Clitellum
• Gizzard

What does the term Annelida mean?

• Soft body
• Little rings
• Spiny skin
• Pore-bearer

Earthworms are ___ and reproduce ___.

• hermaphroditic, sexually 
• hermaphroditic, asexually 
• diecious, sexually
• diecious, asexually

Tags

NGSS.MS-LS3-2

Which phylum includes earthworms?

• Molluska
• Annelida
• Nematoda
• Echinodermata