What factor contributed to the current variations, Biology

Assignment Help:

According to the theory of natural selection, what factor below contributed to the current variations in beak sizes of finch species on the Galapagos Islands? a. Finches dispersed to islands where their beak sizes closely matched available seed sizes b. Different finch populations needed to change in order to survive, so beneficial new traits arose c. Non-heritable variation between individual was important for natural selection to work d. Genetic drift allowed beneficial traits to spread throughout the population e. Seeds are limited resource.


Related Discussions:- What factor contributed to the current variations

Define the term hot water blanching, Define the term Hot water blanching? ...

Define the term Hot water blanching? A appropriate water-blanching process in traditional processing is as follows: The sliced material is placed on a square piece of cl

Explain about the anorexia nervosa, Explain about the Anorexia Nervosa? ...

Explain about the Anorexia Nervosa? Anorexia nervosa, as you have read above, is a psychological eating disorder characterized by somatic delusions that one is too fat despite

What is the meaning of schizogony, What is the meaning of Schizogony? A...

What is the meaning of Schizogony? A form of asexual reproduction found in some protozoans. An already multinucleated cell undergoes cell division which results in each daughte

Explain major divisions of the hypophysis, Q. What are the major divisions ...

Q. What are the major divisions of the hypophysis? What are their functions? The hypophysis is divided into two portions- the anterior hypophysis or adenohypophysis and the pos

Tallness trait of a pea plant, What is the tallness trait of a pea plant mo...

What is the tallness trait of a pea plant moving separately from the color trait an example of? This is an instance of Mendel's second law, the Law of Independent Assortment, w

In which strcture sperm cells go after passing epididymides, Q. After passi...

Q. After passing the epididymides through which structures do sperm cells go until exteriorization? After leaving the epididymis in the testicle sperm cells enters the vas defe

What is the difference between phenotype and genotype, What is genotype? Wh...

What is genotype? What is the difference between phenotype and genotype? The Genotype is the genes, DNA nucleotide sequences contained in the chromosomes of an individual, whic

Explain susceptible organisms of tubeculosis, Susceptible Organisms Wh...

Susceptible Organisms When infection proves to be caused by a fully susceptible strain of TB, the initial phase of treatment should include isoniazid, rifampin and pyrazinamid

Biological diversity protection, Q. How can a great biological diversity pr...

Q. How can a great biological diversity protect an ecosystem from environmental damage? Why are less biodiverse ecosystems at risk of suffering deep biological harm if submitted to

Explain spoilage of cereals and cereal products, Q. Explain Spoilage of Cer...

Q. Explain Spoilage of Cereals and Cereal Products? Cereals are the main source of energy to human beings. There are several varieties of cereals, of which wheat and rice are t

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