21. Life objectives

21. Life objectives - BIOSPHERE OBJECTIVES 1) How high does...

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BIOSPHERE OBJECTIVES 1) How high does the biosphere go up into the air, and how low does it go into the ground? Upper limit – 41 km high, Lower limit – 3km deep. 2) What is the best modern definition for “life”? Has self- reproduction at some level, stores information which is preserved by natural selection. 3) What are the six kingdoms of life? Archaea, Monera, Protocista, Fungi, Plantae, Animalia. 4) What are the definitions of the following terms: species, population, biota (biotic community), habitat, ecosystem? Species – Any group of potentially interbreeding individuals. Population – Members of a species that live within a given area (in communication and capable of interbreeding.) Biota – Assemblage of living entities (plants, animals, microbes. Habitat – Are where an individual, a species, or a population exists. Ecosystem – A group of organisms interacting with it’s non-biological surroundings. 5) Know the main trophic levels in a biotic community
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21. Life objectives - BIOSPHERE OBJECTIVES 1) How high does...

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