The phylum Porifera (sponges; “pore bearing) is divided into three classes, Hexactinellida, Demospongiae, and Calcarea. Calcarea is the oddball of the group, building skeletal elements out of calcium ...
CC0 Usage Conditions ApplyClick for more information. Transcripts of this video, Spanish translations, protocols and other useful resources for sponge biology can be ...
This figure shows typical sponge spicule trails. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the ...
The phylum Porifera (sponges; “pore bearing) is divided into three classes, Hexactinellida, Demospongiae, and Calcarea. Calcarea is the oddball of the group, building skeletal elements out of calcium ...
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