. Adventures with animals and plants. Biology. Fig. 96 Life hi salt ivatcr. This is a coiiiDioii si^bt for those ivho live near rucky ocean shores. Do you see the strands of rockiveed? To what large group of plants does it belong? What animals do you recognize? (American museum ok natural hisior's ) ri^^T"^ v. v. ?,// i ;• \ ^ * ^' ^'^ •*:>'« ^^^.^ Fig. 97 P^i of a single strand of Spirogyra, one of the pond scums. Do you see lUe spirals? They are bright green. Spirogyra lives in fresh water, (general biological supply) diatoms, have l)cautifull\- ni;ir1v'cil sliclls. They hve in enorm
. Adventures with animals and plants. Biology. Fig. 96 Life hi salt ivatcr. This is a coiiiDioii si^bt for those ivho live near rucky ocean shores. Do you see the strands of rockiveed? To what large group of plants does it belong? What animals do you recognize? (American museum ok natural hisior's ) ri^^T"^ v. v. ?,// i ;• \ ^ * ^' ^'^ •*:>'« ^^^.^ Fig. 97 P^i of a single strand of Spirogyra, one of the pond scums. Do you see lUe spirals? They are bright green. Spirogyra lives in fresh water, (general biological supply) diatoms, have l)cautifull\- ni;ir1v'cil sliclls. They hve in enormous numl)crs in salt and fresh w arcr, serving as food for ani- mals. The shells of those that lixxd mil- lions of years ago have accumulated and are (juanied ami used in manv ways. .•\ few of the simple plants live on land, usualh' w here there is plent\- of moisture, although some of them can stand much dr\-ing up. ihe \er\- rhin (Tat (rrecn growth found on the bark of trees is a mass of simple plants called Vrotococais. You may have called it moss, but its structure is very different from that of a moss. Closelv related to it arc the altjae which grow by the millions on the snow during the summer in arctic regions. I'A'plorers call these algae "red ; Larger algae. There arc other larger ahj^ae, that (jrow in salt water, the sea-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kroeber, Elsbeth, 1882-; Wolff, Walter Harold, 1901-. Boston : D. C. Heath
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Keywords: ., bookcentury1900, bookpublisherbostondcheath, booksubjectbiology
