Purchase Solution

Evolution of Crossbills

Not what you're looking for?

Ask Custom Question

Do Benkman's and Lindholm's research on crossbills support the notion that gradual evolution can lead to the appearance of complex adaptations? Explain.

Purchase this Solution
Solution Preview

Crossbills are a type of finch that have specialized bills for separating conifer scales to reach the seeds inside. Benkman and Lindholm's research shows that crossbills have evolved various adaptations over time ...

Purchase this Solution
Free BrainMass Quizzes
Identifying Variables in Science Experiments, Part 2

Using sample experiments, test yourself to see if you can identify independent, dependent, and controlled variables. Identifying variables is key in understanding and developing experiments. The questions are biology related, but this can be applied to any area of science.

Human Anatomy- Reproductive System

Do you know your reproductive anatomy?

Labor Comfort Measures

Do you know how to comfort someone in labor?

Nerves and the Nervous System

This quiz will assess your knowledge of the nervous system and how nerves send signals around the body.

How Much Do You Know About Genetic Inheritance?

Most of us studied the basics of dominant and recessive genes at some point. However, genetics are much more complicated than this. How far beyond the basics does your knowledge go?

View More Free Quizzes
Related BrainMass Solutions

  • Evolution of crimes and organized crime gangs

    565608 Evolution of Crimes and Organized Crime Gangs What is an example of organizational evolution, as it applies to organized crime? How does the evolution of organized crime affect society today?

  • Effective Evolution and Processes Affecting Evolution

    Some genes may have faster rates of evolution than other genes because of events in the genome called molecular evolution.

  • Discussing Evolutionary Terms

    Adaptation is the gradual accumulation of new traits that cause a population of organisms to become better suited to surviving and reproducing in their particular environment. Adaptation is process of evolution.

  • What is the evolution debate?

    On the other, there is a scientific debate about some of the finer points of evolution, such as whether or not it occurs at a steady rate, or if there are periods of increase/decreased evolution.

  • Chemical Evolution Causing Life

    The first step to answering this question is to get a good understanding of chemical evolution.

  • Modern Synthesis and a brief history of evolution

    35958 The Modern Synthesis as it relates to the theory of evolution How is the Modern Synthesis theory of evolution different than Darwinian Evolution? What is it. How and when was it developed? What are the main tenets of the Modern Synthesis?

  • Introgressive Hybridization and Evolution

    In terms of evolution, introgressive hybridization is significant in that it can provide new genetic material for evolution to act upon, and in some cases may have even led to the complete merging of two species.

  • Evolution

    Given the abundant evidence supporting the theory of biological evolution, it is highly probable that evolution has occurred and is still occurring today. The evidence for evolution has primarily come from four sources: 1.

  • Evolution and lines of evidence supporting evolution

    126811 Lines of Evidence Define evolution in modern terms. List and briefly discuss five different lines of evidence that support evolution. Evolution is a process that results in heritable changes in a population spread over many generations.

View More Related Solutions