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Dominant species

Definition

noun

The species that predominates in an ecological community, particularly when they are most numerous or form the bulk of the biomass.


Supplement

Examples:

  • In wet woodland in western Europe, the dominant tree is alder (Alnus glutinosa).
  • Some sea floor communities are dominated by brittle stars.
  • Tidal swamps in the tropics are usually dominated by species of mangrove (Rhizophoraceae).

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some clues from animal kingdom

"Some species, such as some snails, practice sex change: adults start out male, then become female (See also sex reversal). In tropical clown fish, the dominant individual in a group becomes female while the other ones are male, and bluehead wrasses ...

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by surgeongirl
Wed Sep 11, 2013 6:44 pm
 
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 26
Views: 19650

Population genetics - make inferences from allele frequency

Hi if a mean allele frequency among multiple populations across a whole species distribution is 0.75 or 0.5, can you make any inference about something like dominant-recessive relationship or lethal homozygotes? I assume random mating (no sexual selection), ...

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by Young
Sun Aug 25, 2013 10:52 pm
 
Forum: Genetics
Topic: Population genetics - make inferences from allele frequency
Replies: 1
Views: 1391

Re:

Why is the transcription of the chromosome that carries the dominant gene preferrable to the one that carries the recessive gene? Technically, ... Yes the sperm will fertilize a egg faster. if that is a advantage to the species which makes the chromosome survive ? Well, as I demonstrated, a genetic ...

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by wildfunguy
Sat Aug 10, 2013 6:02 pm
 
Forum: Cell Biology
Topic: Do chromosomses ever get competitive?
Replies: 9
Views: 7385

Do chromosomses ever get competitive?

1. dominant vs. recessive. let us consider a 100 amino acid protein which gives green color to ... real question Yes the sperm will fertilize a egg faster. if that is a advantage to the species which makes the chromosome survive ? It depends.

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by balamurugan3
Sat Aug 10, 2013 3:37 am
 
Forum: Cell Biology
Topic: Do chromosomses ever get competitive?
Replies: 9
Views: 7385

Re: unbalanced gender ratios of offspring

... is monogamous like you say though, however I am not sure on this. Intraspecies comparison is quite difficult as each species tend to have their ... females. If we take a genetic example: One male - TT (homozygous dominant) Breeding with several females lets say they're all Tt. Production: ...

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by Amphibitile
Sun Jun 23, 2013 8:01 pm
 
Forum: Human Biology
Topic: unbalanced gender ratios of offspring
Replies: 6
Views: 4443
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