Quiz on Dissection/earthworm
Terms
undefined, object
copy deck
- scalpel
- sharp-bladed, for cutting through layers of tissue
- scissors
- used for cutting through layers of tissue one at a time
- forceps
- used for holding and pulling layers of tissue
- blunt probe
- used for lifting and manipulating tissue
- dissecting probe
- sharp probe for "tearing apart" thin connecting tissues
- dissecting pan and pins
- waxed tray where the specimen is held in place by pins
- dissection microscope
- low power microscope used to magnify the specimen
- ventral
- belly or underside
- dorsal
- backside
- anterior
- towards the head
- posterior
- towards the tail
- lateral
- the side
- cross section
- A cut or view across the length of an organism
- annelids
- segnmented worms whose body consists of ring-like compartments-most are aquatic like leeches
- Kingdom,phylum,class of earthworms
- Animalia-Annelids-Oligochaeta
- digestive system
- have a tube with a tube body plan and a one way digestive tract with 2 openings
- mouth
- ingestion of soil and food
- pharynx
- temporary storage
- esophagus
- moves food in the crop
- crop
- storage (thin walled)
- gizzard
- mechanical digestion (muscle tissue)
- intestine
- most chemical digestion and absoption into circulatory system
- anus
- egestion of indigested food
- circular muscles
- contract to make body long
- longitudinal muscles
- contract to shorten and thicken the body
- setae
- can extend into the soil or be withdrawn