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A Natural History of California (California Natural History by Allan A. Schoenherr

By Allan A. Schoenherr

During this finished and abundantly illustrated ebook, Allan Schoenherr describes a country with a better variety of landforms, a wider variety of habitats, and extra different types of crops and animals than any zone of an identical dimension in all of North the USA. A average background of California will familiarize the reader with the weather, rocks, soil, vegetation and animals in every one distinct area of the kingdom.

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There is a high degree of variability for these communities, so the numbers should be considered as rough estimates only. < previous page page_26 If you like this book, buy it! next page > < previous page page_27 next page > Page 27 Carbon Cycle. The carbon cycle (fig. 4) exemplifies the cycles of matter in nature. Carbon flows through producers, consumers, and decomposers in the form of organic compounds. 1% of the atmosphere. Green plants absorb CO2 through photosynthesis and produce organic compounds, all of which contain carbon.

The matter in a system may be thought of in terms of pure elements such as carbon, hydrogen, oxygen, nitrogen, and phosphorus. These elements may combine to form various materials such as water (H2O), carbon dioxide (CO2), carbohydrate (CH2O), nitrate (NO3), and phosphate (PO4). A simple way to describe the nonliving components of an ecosystem is to lump all these factors into five categories: light, heat, air, water, and soil (minerals). If one factor is deficient, it becomes ecologically limiting and exerts a powerful influence on the ecosystem.

You eat to obtain carbohydrate (glucose), the source of energy. You breath to obtain oxygen. It's also easy to remember the end products of cellular respiration. You exhale carbon dioxide, and you exhale water, which appears in the form of a small cloud when you breathe out in cold air. All living organisms, including bacteria, depend on cellular respiration as a source of energy. Some micro-organisms are able to carry on metabolism without oxygen, but they still depend on glucose as their energy source.

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