Discussion topic: Contributed Answer/Explanation to Q. 6
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|From: shadrach||Reply 1 of 5||Reply |
|Subject: Contributed Answer/Explanation to Q. 6|
Posted at: Tue Jun 29 10:32:33 2010 (GMT)
|From: mahmood||Reply 2 of 5||Reply |
|Subject: Contributed Answer/Explanation to Q. 5|
gene banks are the store houses of various germ plasm and genetic material
of various material.......ex.:-stocks of viable seeds ,pozen germ plasm
storage of vegetable parts.
Posted at: Sun Dec 4 16:48:13 2011 (GMT)
|From: shurooqchoudhary||Reply 3 of 5||Reply |
|Subject: Contributed Answer/Explanation to Q. 2|
A factor present in an environment that controls a process, particularly the
growth, abundance or distribution of a population of organisms in an
ecosystem, is known as a limiting factor.
Posted at: Thu Mar 1 07:04:19 2012 (GMT)
|From: shurooqchoudhary||Reply 4 of 5||Reply |
|Subject: Contributed Answer/Explanation to Q. 1|
Aesthetic reasons for conserving biodiversity are less tangible but of great
importance. We conserve species and habitats because they are beautiful or
because they otherwise enrich our lives. The culture of a nation is closely
allied to its landscapes and wildlife.
Posted at: Thu Mar 1 07:09:54 2012 (GMT)
|From: shurooqchoudhary||Reply 5 of 5||Reply |
|Subject: Contributed Answer/Explanation to Q. 3|
Commensalism means literally 'at table together'. This is a symbiotic
relationship between two species in which one species benefits and the other
neither benefits or harms. Often, the host species provides a home and/or
transportation for the other species.
i.) Epiphytes, e.g.some tropical orchids use trees or branches of trees for
support without harm or benefit to the tree. The epiphyte obtains more light
and air in this manner.
ii.) Ecklonia maxima and Patella compressa. The Patella gets it food
from the plant, the Euklonia, which is not harmed or damaged in the
Posted at: Thu Mar 1 07:13:57 2012 (GMT)
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