Biology Questions and Answers

(Greg DeLong) #1

Biology Questions and Answers


Abiotic factors are the nonliving


elements that constituteenvironment, like light, temperature, a given (^)
minerals, water, gases, atmospheric
pressure, etc.



  1. What is an ecosystem?


An ecosystem isbiotic and abiotic factors in interaction. a system composed of



  1. What is a biosphere?


A biosphere is a set of all of the
ecosystems of the planet.



  1. What are autotrophic
    beings? What are
    heterotrophic beings?


Autotroproduce their own food, i.e., phic beings are those that canthat make (^)
organic material from inorganic
compounds. Heterotrophic bthose that need to incorporate oreings areganic (^)
material to nourish themselves.
Therefore heterotropproduction of the autotrohs depend on thephs.



  1. What are the processes
    that autotrophic beings use to
    produce organic material from
    inorganic substances?


Autotromaterial bphic beings make y photosynthesis or byorganic (^)
chemosynthesis. There are
photosynthand chemosynthetic autotropetic autotrophs, likhs, like plants,e
some bacteria.
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