Population dispersal, Biology

Assignment Help:

Population Dispersal

Population dispersal is the movement of individuals into or out of the population or the population area. It occurs in three following ways in a population:

  • Emigration - one way outward movement of individuals from an area
  • Immigration - one way inward movement of individuals into an area.
  • Migration - periodic departure and return of individuals to same area.

Related Discussions:- Population dispersal

Design a controlled experiment, Design a controlled experiment to test the ...

Design a controlled experiment to test the hypothesis that acid precipitate inhibits the growth of elodea, a common freshwater plant.

Explain about the food spoilage, Explain about the Food Spoilage? Foods...

Explain about the Food Spoilage? Foods gradually undergo deterioration or spoilage from the time they are harvested, caught, slaughtered or manufactured. Therefore, delay in th

Explain about salivary glands in humans, Q. What is the location of the sal...

Q. What is the location of the salivary glands in humans? There are six major salivary glands and they are located one in each parotid gland, two beneath the mandibles (submand

Explain the nutrient composition of different milk, Explain the Nutrient co...

Explain the Nutrient composition of different milk? Sometimes exclusive breast-feeding cannot be sustained. Working mothers join their duty in the fourth month and exclusively

Ammonification, Ammonification Many heterotrophic bacteria actinomycet...

Ammonification Many heterotrophic bacteria actinomycetes and fungi in soil and water metabolise the organic nitrogen and release it in an inorganic form as ammonia. This proce

How to increased co2 levels in the atmosphere, Increased CO 2 levels in th...

Increased CO 2 levels in the atmosphere are correlated with rising global temperatures, leading many scientists to believe that the first phenomenon has caused the second. What wo

What are active and passive immunization, Q. What are active and passive im...

Q. What are active and passive immunization? According to the duration of the protection how do these types of immunization differ? Active immunization is that in which an anti

Causes of variation, CAUSE S OF VARIATION - Effect of environmental co...

CAUSE S OF VARIATION - Effect of environmental conditions Change in the gene pattern like - (a) Random distribution of homologous genes in meiosis (b) Crossing over

What is the function of the secretions of the prostate, What is the functio...

What is the function of the secretions of the prostate, seminal vesicle and bulbourethral glands in reproduction? These secretions with sperm cells from the testicles form the

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