Dictionary » S » Savanna



A type of woodland characterised by a very open spacing between its trees and by intervening areas of grassland. A flat grassland in tropical or subtropical regions.Savanna is a type of biome consisting mainly of grass and a sparse population of trees. This lack of vegetation is due to the dry conditions present in such biomes, which means the distribution of water among organisms only allows the survival of a few.

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Humans Natural Habitat/Optimal Environment

... theory. Simply stated some of our ape like ancestors stumbled out of the African Rainforest (for what ever reason) and onto the African savanna. Here they adapted and explored new ways of living and surviving. So a big part of our evolutionary history happened in the African Savanna! ...

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by Anopsology
Sun Mar 02, 2014 10:30 pm
Forum: Evolution
Topic: Humans Natural Habitat/Optimal Environment
Replies: 2
Views: 4442

Factors that influence a biome.

... such as plant structures (such as trees, shrubs, and grasses), leaf types (such as broadleaf and needleleaf), plant spacing (forest, woodland, savanna), and climate. Unlike ecozones, biomes are not defined by genetic, taxonomic, or historical similarities. Biomes are often identified with particular ...

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by Xzibit
Mon Aug 15, 2011 9:23 am
Forum: Ecology
Topic: Factors that influence a biome.
Replies: 4
Views: 39992

Conditions for a stable ecosystem? (for a simulation)

... but this has been the only way I've been able to control the herbivore population. I've got this statistic that 3 in 5 animals in the African Savanna die from sexually transmitted diseases so I'm using that as point of reference. Genetics: I never thought of introducing something as detailed ...

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by Smig
Thu Mar 26, 2009 4:25 pm
Forum: Ecology
Topic: Conditions for a stable ecosystem? (for a simulation)
Replies: 11
Views: 21687

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... rankings of major racial groups in behavioral traits. Nor does he tell his readers that evolutionary selection pressures were different in the hot savanna where Africans evolved than in the cold Arctic where East Asians evolved. Rushton (1995b) and others have proposed that the farther north the ...

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by TJJ
Fri May 16, 2008 12:13 am
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 269969


In a savanna, which of the following organisms is the major primary producer? I am hesitating on the following: - Algae - Grasses - Trees - Insects - Small mammals I am thinking maybe choice number two but can someone please ...

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by larock01
Sat Apr 15, 2006 10:24 pm
Forum: Zoology Discussion
Topic: Savanna
Replies: 4
Views: 2668

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