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

Epidemiology, Endocarditis usually occurrs more frequently in men, gender d...

Endocarditis usually occurrs more frequently in men, gender derived ratios range from 1.6 to 2.5. The age specific incidence of endocarditis increased progressively after 30 years

Define swollen and tender joints and haemorrhage, Define Swollen and Tender...

Define Swollen and Tender Joints and haemorrhage in various Tissues? Haemorrhages occur deep in muscle, particularly in calf, thigh, buttocks and forearm, causing pain in surro

Illistrate the role in reducign activation energy, 1- Describe the function...

1- Describe the function of enzymes in catalyzing biological reactions ? 2-Descride enzymes ' role in reducign activation energy?

Explain the direct surface agar plating method, Explain the Direct Surface ...

Explain the Direct Surface Agar Plating Method? In the direct surface agar plating method, molten agar is placed on to the surface to be assessed. Upon hardening, it is incubat

PHYLUM MOLLUSCA, How we attempt a question of phylum mollusca?

How we attempt a question of phylum mollusca?

Describe diversity of ion channel structure, Describe three mechanisms cell...

Describe three mechanisms cells use to produce diversity of ion channel structure and function.

Define the neurological disorders of dysphagia, Define the neurological dis...

Define the neurological disorders of dysphagia? In neurological disorders, damage to cranial nerves can lead to weak and poorly co- ordinated tongue movements, which results in

Show complications of mitral stenosis, Q. Show Complications of Mitral Sten...

Q. Show Complications of Mitral Stenosis ? Hemoptysis It is a common complication in patients with mitral stenosis and is related to the severity of mitral stenosis. Pulm

Explain the structure of a human sperm, (a) Explain the structure of a hum...

(a) Explain the structure of a human sperm. (b) Give a schematic representation showing the events of Spermatogeninesis in human male.

Characteristic of callus, Characteristic of Callus The most important ...

Characteristic of Callus The most important characteristic of callus from a functional view point is that abnormal growth has the potential to develop normal roots, shoots and

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