ANIMAL ANATOMY & PHYSIOLOGYSPONGE DISSECTIONPHYLA CNIDARIA

ENTRY TASK

Use your knowledge of directional terms to relate the structures to each other anatomically in a short sentence

Example: toes to ankleThe toes are distal to the ankle.

Head to neckWrist to hand

Esophagus to vertebral column

AQUARIUM FIELD TRIP

Discuss with a partner:

Something you saw/learned that surprised or interested you.

DISSECTING SAFELY Read Along

We will review these items EVERY time we Dissect.Keep this Handout in your Class Folder / Binder.

DISSECTION EQUIPMENTHand Lens

Dissecting Tray Forceps

Dissecting Pins

Scissors

Probe

Scalpel

SPONGE ‘DISSECTION’

Listen & Watch

Do ONLY when told to DO

INFORMATION:

We are dissecting Sponge Spicules (the skeleton)

Spicules can be calcareous (like shell), siliceous (like opal or glass) or spongin (like collagen)

WHAT DO YOU NOTICE?Sponges are filter feeders

How are their bodies designed to help them filter feed?

Sponges live stationary livesWhat traits do sponges have that help them survive?

PHYLA CNIDARIA

HOMEWORK:

Review frilled sea anemone dissection instructions• Highlight important steps• Note questions you have

Watch video of sea anemone dissection posted on the class calendar