Define biogeographic realm, Biology

Assignment Help:

Q. Define biogeographic realm?

Biogeographic regions are large areas that contain characteristic assemblages of animals and plants, d elineated on account of natural barriers such as oceans, mountains and deserts. A biogeographic region is generally characterised by high levels of species endemism.

Boundaries between biogeographic regions are called "biogeographic lines".

Examples are:

· Wallace's line between Southeast Asia and Australia (between Sundaland and Wallaceae), and
· Kangar-Pattini line between India and Myanmar.

The marine environment is three-dimensional with a distinct vertical zonation, each having its distinct associated species. Accordingly in a particular oceanic region, intertidal areas, the upper layers of the open ocean and the deep sea have very different assemblage by species.


Related Discussions:- Define biogeographic realm

What are the fruiting bodies present in some fungi, What are the fruiting b...

What are the fruiting bodies present in some fungi? Fruiting bodies are structures made of hyphae that project radially from the superior portion of the peduncle of some fungi.

Determine the bony walls of the maxillary sinus, Determine the bony walls o...

Determine the bony walls of the Maxillary sinus: The Anterior wall of the sinus has thin compact bone above the apex of the canine teeth which may extend to the lateral pirifor

Digestive system, Digestive system is one of eleven major body organ syste...

Digestive system is one of eleven major body organ systems in animals; it converts food from the external environment into the nutrient molecules which can be used and stored by t

Compare between mummers of dna vs monomers of rna, Name few polymers in the...

Name few polymers in the eukoratic cell? Name the mummers that make up the DNA? Compare and contrast between mummers of DNA VS monomers of RNA?

Define the skeletal muscle, Define the Skeletal muscle A. Binding of ca...

Define the Skeletal muscle A. Binding of calcium ion to its receptor site on the actin molecule blocks the attachment of the head of the tropomyosin molecule to its binding sit

Explain seed gums, Seed gums Polysaccharides derived from plants and se...

Seed gums Polysaccharides derived from plants and seeds have been in use for thousand of years. Seed gums are a group of polysaccharides with the following properties: S

What is vegetarianism, What is Vegetarianism? Protein quality of the ...

What is Vegetarianism? Protein quality of the vegetarian diets can be improved by proper diet planning, However, under free-living conditions, vegetarianism can limit pr

dna repair, is mismatch repair something different from proofreading

is mismatch repair something different from proofreading?

What are cilia and flagella, What are cilia and flagella? Cilia and fla...

What are cilia and flagella? Cilia and flagella are structures found in prokaryotes as well in eukaryotic cells. They play defense, nutrition and movement roles for the cell. I

Photosynthesis, in a school laboratory, what is usually regarded as evidenc...

in a school laboratory, what is usually regarded as evidence that photosynthesis has occurred in plants

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd