12 Jun Park BI 111 – organisms, usually green plants
Question
5. _____________ organisms, usually green plants, are able tomake new, complex organic materials by themselves via photosynthesis;_____________ organisms, usually animals, can only utilize organic materials asfood which provide their energy.
6. regular predictable changes in the structure of a communityover time is called ________________.
7. Two types of succession include ___________ succession whichbegins on bare rock and _____________ succession which begins on substrate thatremains after the destruction and/or disturbance of an existing ecosystem.
8. The _______ community is the group of plants and animals thatbecomes relatively stable, long lasting, or otherwise self-perpetuating at theend of a long period of succession; such major types of communities are alsoknown as ________ or major life zones such as deserts, oceans, deciduousforests, etc.
9. Receiving 200 cm. or more of precipitation per year, the________ _____ _______ is considered to be the most prolific biome in terms ofvariety and number of species of both animals and plants present.
10. Aquatic ecosystems are divided into two types, ___________having a large concentration of salt and other dissolved materials, and____________, those lacking the salt.
11. Exhibiting short growing seasons, small, low-lying plantsand cold-adapted animals are three characteristics of the __________ biome.
12. In Canada, parts of Europe, and much of the former USSR, theconiferous forest is better known as the ___________ or boreal forest.
13. List the four biogeochemical cycles which provide therecycling of organic and inorganic substances throughout the Earth’senvironments.
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