Advertisement.

EnchantedLearning.com is a user-supported site.
As a bonus, site members have access to a banner-ad-free version of the site, with print-friendly pages.
Click here to learn more.

Join Enchanted Learning
Site subscriptions last 12 months.
Click here for more information on site membership.

As low as $20.00/year (directly by Credit Card)
Site members have access to the entire website with print-friendly pages and no ads.
(Already a member? Click here.)

Answers
More on Sponges
EnchantedLearning.com
Label Sponge Cross Section Diagram
Using the definitions listed below, label the sponge diagram.
 A page on sponges

Sponge to label

archaeocyte (amoebocyte) - Cells with pseudopods, located in the mesohyl. They are used in processing food, distributing it to other cells, and for other functions.
choanocyte - also called the collar cell, thse cells line the inner cavity of the sponge and have a flagellum. The sponge obtains its nutrients and oxygen by processing flowing water using choanocytes.
epidermis (pinacocyte) - the epidermis is the layer of cells that covers the outer surface of the sponge. The thin, flattened cells of the epidermis are called pinacocytes.
flagellum - the whip-like structure of a choanocyte; the flagellum moves, pushing water (which contains nourishment) through the sponge.
mesohyl (mesenchyme) - the gelatinous layer between the outer body of the sponge and the spongocoel (the inner cavity).
spicule - spicules are sharp spikes (made of calcium carbonate) located in the mesohyl. Spicules form the "skeleton" of many sponges.
spongocoel - the central, open cavity in a sponge through which water flows.
water flows in through porocytes - water flows into a sponge through cells with pores (these cells are called porocytes) located all over its body.
water flows out through the osculum - water flows out of a sponge through large openings called oscula (plural).


Enchanted Learning Search

Search the Enchanted Learning website for:


Advertisement.



Advertisement.


Copyright ©2002-2009 EnchantedLearning.com ------ How to cite a web page