Question

3. If mature sponges are sessile, and buds just fall off, how can sponges be dispersed through the ocean? 4a) Label the parts of a simple sponge and draw an arrow showing the flow of water through the sponge on Figure 4 STYDOTAMS AIMO (lined by chosnoeytes) (jelly filling) o Figure 4. Simple Sponge od b) Observe some examples of SPONGES. Note their lack of symmetry Are sponges hard or soft in terms of texture? YDR c) Grantia Cross Section (prepared slide): Observe a demonstration of a cross section through a simple sponge. Identify the SPONGOCOEL and RADIAL CANALS lined by stained CHOANOCYTES, draw in the space below d) Examine a prepared slide of Grantia spicules and diagram. How many prongs do you observe in each spicule? ce at tchopter ed to yde O

Answer 1

3) sponges are sessile bud they bud off. When the bud falls the ocean currents carry them away and disperse them to far away places in the ocean.