Biology Questions and Answers

(Greg DeLong) #1

Biology Questions and Answers



  1. What are the typical
    vegetation and the typical
    fauna of the tropical forests?


In the vegetation obroadleaf evergreen trees pf the tropical foredominate.rests (^)
On the top of the trees epiphytes alianas grow. Many varieties of nd
pteridophytes can be found in these
forests.abundance Regarding the fauna, theand diversity is also g (^) reat:
there are monkeys, rodents, bats,
insectivores,amphibians and invertebrates, mainly felines, reptiles, birds, (^)
insects.



  1. How can the abundance and
    diversity of living beings in
    the tropical forests be
    explained?


The biodiversitycan be explained by the great of these ecosystems


availabilityfor photosynth of the main esis. Since these factorsabiotic factors (^)
are abundant plamaximum photosyntheticnts can perform activity, (^) living
and reproducing easily. With a great
amount and diversity(autotrophs), the consumers of producers
(heterotrophic animals and
microorfood and a comganisms)plex food web emerges also have abundant (^)
creating many different ecological
niches to bappearance oe explored. So tf varied living beings ashe (^)
well as the existence of large
populations is possible.



  1. Why are the tropical
    forests also known as
    stratified forests?
    In tropicalspecies hav forests tall trees of severale their crowns forming a
    superior layer utrees and plants develop forming othernder which diverse other
    inferior layers. From the upper layer to


the inferior layers thlight lowers gradually and the expositione penetration of (^)
to wind and rain, the moisture and the
temperatucompositionsre also vary. of abiotic factors conditionDifferent (^)
the prevailing each layer. of different vegetation in



  1. What is the typical
    vegetation of the grasslands?


Grasslands are herbaceous (nonwoody) vegetation:mainly formed of (^)
grass, bushes and small trees.



  1. What are the grasslands of
    North America and of South
    America respectively called?
    The steppe grasslands of North America


are called South Ameprairies. Trica are known as “pamhe grasslands opas”f (^)
(the steppe grassland) and “cerrado”
(the savannah grassland).



  1. How are grasslands
    classified?


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