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20 Th Century Tropical Forests
1,791 words... been noticed that male orangutans tend to be less aggressive towards each other, when their social interaction occurs on permanent basis. Usually, this happens when males territories overlap. Female orangutans social role is reduced to raising offspring. Nevertheless, during the mating period, females become much more active. As a rule, males would not approach them, unless being welcomed by a specific mating gesticulation. Male orangutans express their excitement with breaking branches off ...
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Life On Earth H 2 O
1,870 wordsPlants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many different products such as shampoos, rubber, paper, and camera f...
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Million Years Ago 65 Million Years
3,666 wordsIntroduction To Evolution What is Evolution? Evolution is the process by which all living things have developed from primitive organisms through changes occurring over billions of years, a process that includes all animals and plants. Exactly how evolution occurs is still a matter of debate, but there are many different theories and that it occurs is a scientific fact. Biologists agree that all living things come through a long history of changes shaped by physical and chemical processes that ar...
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Petri Dishes Flowering Plants
3,855 wordsIs there an effect on Rhizobium bacteria by changing its pH? Steve Lincoln Period 3 12 / 7 / 98 Question What are the effects of varying pH levels on Rhizobium bacteria, and can a pH resistant Rhizobium culture be grown? Hypothesis Alterations of the balanced habitat such as the change of pH levels can drastically alter the life of bacteria and can directly affect chemical reactions of enzymes released by the bacteria. Using this information the change in pH will have an effect on the Rhizobium ...
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Rest Of The World Rocky Mountains
1,394 wordsGive An Overview Of Life Through The Give An Overview Of Life Through The Tertiary, In Relation To Changing Paleogeography And Climate The tertiary consisted of two main epochs. The Paleocene, the Eocene and the Oligocene, which make up the Paleogene; and the Miocene and Pliocene, which make up the Neogene. The close of the Cretaceous Period marked a major transition in Earth s history. Ammonoids and marine reptiles disappeared from the sea. Marine taxa that persist as familiar inhabitants of mo...
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Flowering Plants Six Inches
2,482 wordsHydroponics: Growing Without Soil The science of growing plants without soil has been known and used for more than one-hundred years. The word hydroponics, however, is comparatively new. Dr. W. E. Gericke is usually given credit for coining the word, which translated from Greek, means working water. The famous hanging gardens of Babylon were probably on of the first attempts to grow plants hydroponically. The work of Dr. Greece in the 1920 s and 1930 s in California, however, is generally consid...
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Life On Earth Carbon Dioxide
3,074 words7 th grade Plants Life science grade Jr high Chapter Plants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many different p...
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Reproductive Organs Flowering Plants
954 wordsThe kingdom Plantae encompasses water-dwelling red and green algae as well as terrestrial plants, which have evolved to support themselves outside of the aquatic environment of their ancestors. This Spark Note focuses on the terrestrial plants, which include bryophytes (mosses) as well as the more highly evolved vascular plants, called tracheophytes. As a consequence of their move onto land, terrestrial plants require structures that support their weight, prevent desiccation (drying out), aid in...
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