Animal life in the sea and on the land . were uncertain about the matter, but it is nowsettled that they are animals, living and growingon the bottom of the ocean. The only part ofthe sponge that reaches us is the skeleton. Theliving sponge is a very different object. Shallwe see what we can find out about it ? 3. Lowest Forms of Animals.—Upon nam-ing the word animal, a picture comes be-fore our minds of some creature having amouth to eat with, and eyes to see with,and possessing feet or wings, or someother means of moving about; but thesponges are far from this. They areprobably the lowest fo
Animal life in the sea and on the land . were uncertain about the matter, but it is nowsettled that they are animals, living and growingon the bottom of the ocean. The only part ofthe sponge that reaches us is the skeleton. Theliving sponge is a very different object. Shallwe see what we can find out about it ? 3. Lowest Forms of Animals.—Upon nam-ing the word animal, a picture comes be-fore our minds of some creature having amouth to eat with, and eyes to see with,and possessing feet or wings, or someother means of moving about; but thesponges are far from this. They areprobably the lowest form of animalswith which you are acquainted. Theyhave no nerves, no heart, no lungs, nomouth, and no stomach. 4. Live Sponges. — Live sponges consist of jelly - like. Fig. 2.—Sponges Growing.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1887
