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

Bacterial motility, What morphological structure is responsible for bacteri...

What morphological structure is responsible for bacterial motility?

Define the process of digestion of fats, Define the Process of Digestion of...

Define the Process of Digestion of Fats? The enzyme in human gut which is responsible for fat digestion is 'lipase', Lipase is secreted by both stomach and pancreas. In stomach

Define about the paper chromatography, Define about the Paper Chromatograph...

Define about the Paper Chromatography? Paper chromatography is a very useful technique for separating mixtures of metal ions, anions, amino acids, sugars, dyes, drugs, etc. The

Does ploidy reduction occur in mitosis, During which meiosis division does ...

During which meiosis division does ploidy reduction occur? Does ploidy reduction occur in mitosis? In the cell division by meiosis ploidy reduction occurs in meiosis II. Initia

Secondary succession - community change, Secondary Succession - Community C...

Secondary Succession - Community Change Secondary succession is the sequential development of biotic communities after the complete or partial destruction of the existing comm

What is etiopathology, Q. What is Etiopathology? Who is likely to devel...

Q. What is Etiopathology? Who is likely to develop gout? What are the risk factors? Let us find out. Gout is caused when there is over production of uric acid in normal purine

Embryo - pollen biology, Embryo - Pollen Biology The suspensor cells o...

Embryo - Pollen Biology The suspensor cells of young embryos of Tropaeolum majus show that the activity of acid phosphatase increases from micropylar to chalazal pole. The con

Explain about the autodispensor, Explain about the Autodispensor? This ...

Explain about the Autodispensor? This is used to transfer accurate quantities of liquids that are difficult to pipette like concentrated acids, alkalis, etc. You will also use

Properties and functions of synapses, Properties and Functions of Synapses ...

Properties and Functions of Synapses There is an interval between depolarisation of the presynaptic terminal and the earliest appearance of a postsynaptic response. This inter

Homeostasis, why should shivering contribute to heat gain in the body?

why should shivering contribute to heat gain in the body?

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