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

Explain about the rna viruses - carcinogenic, Explain about the RNA Viruses...

Explain about the RNA Viruses - carcinogenic? All oncogenic RNA viruses are retroviruses. They are of 2 types. They are acute transforming retroviruses and slow transforming re

Isolation of dna fragments, Isolation of dna fragments bound strongly with ...

Isolation of dna fragments bound strongly with protein 1.     Through pcr Pcr permits isolation of dna fragments from genomic dna through selective amplification of a spe

Define feeding and nutritional management of dysphilgia, Define Feeding and...

Define Feeding and Nutritional Management of Dysphilgia? A multidisciplinary approach is essential for successful management of dysphilgia. Patient, nurse, physician, die titi

Explain systematic - modern trends in animal taxonomy, Explain Systematic -...

Explain Systematic - Modern Trends in Animal Taxonomy Systematic is defined as the study of relationship among organisms which means reconstruction of phylogenies. It is that b

Mitosis, What is the role of mitosis in growth?

What is the role of mitosis in growth?

How is heart contraction triggered, Q. How is heart contraction triggered? ...

Q. How is heart contraction triggered? Heart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous system in the heart there

Explain first stage of the embryonic development, Q. What is the cell divis...

Q. What is the cell division during the first stage of the embryonic development called? How is this stage characterized? The cell division in the first stage of the embryonic

Electric charge between neuron plasma membrane, Q. Which is the normal sign...

Q. Which is the normal sign of the electric charge between the two sides of the neuron plasma membrane? What is the potential difference (voltage) generated between these two sides

Types of cardiac dopler, There are two types of Doppler examination: 1) ...

There are two types of Doppler examination: 1)  Pulse wave Doppler 2)  Continuous wave Doppler Both these modalities are necessary part of Doppler echocardiography and pro

How sugar is used in custards, How Sugar is used in Custards? While flo...

How Sugar is used in Custards? While flour protein forms the structure of baked goods, custards are composed of egg protein structures. If the egg white solidifies too early al

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