Peat mosses - PowerPoint PPT Presentation

Chapter 18

Chapter 18. By: Cody Crawford. 18-1 Protist What is a Protist?. All protist are eukaryotes-they contain a nucleus &amp; have organelles All protists vary in size Most protists need O 2 (aerobic)- others don’t (anaerobic) Some are autotrophs; other are heterotrophs

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Seedless Plants

Seedless Plants. Pgs. 78 - 81. Mosses and Liverworts. One group of seedless plants is nonvascular plants like mosses and liverworts. They are small, grow on soil, tree bark, and rocks. Without a vascular system they live in places that are always wet.

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Lecture 14 THE BIOSPHERE

Lecture 14 THE BIOSPHERE. Boreal forests :. Are also called taigas. Soil is poorly drained, highly acidic bogs dominated by peat mosses, shrubs and stunted trees Become less dense as they grade into the artic tundra.

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