Explain the follwing mechanism for macroevolution

Assignment Help Biology
Reference no: EM13118419

Explain the follwing mechanism for macroevolution.

Gradual refinement of structures for existing purposes.
Gradual refinement of structures for new purposes.
Attainment of new adaptive zones
attaiment of critical levels of complexity

Reference no: EM13118419

Questions Cloud

Instance of a random procedure with specified events : Example of a Random Procedure with Specified Events. Please list as many different groups of complete events as possible for an experiment of your choice (Probability). Need real world example on complete events
Possible dimensions of design : Lina has 24 square ceramic tiles, each with 1 inch sides she wants to arrange them in a rectangular design on a tabletop. What are the possible dimensions of the design?
What is the empirical formula for the substance : A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.9% Mn and 30.4% O. What is the empirical formula for the substance.
Illustrate what is an area of gry squared in points squared : A common measure for length in the publishing business is a point, defined as 1/72 inch. Illustrate what is an area of 0.50 gry squared in points squared? Round answer to the nearest hundreth.
Explain the follwing mechanism for macroevolution : Explain the follwing mechanism for macroevolution.
Compute the mean and variance for binomial distribution : Compute the mean and variance for binomial distribution. Calculate the mean and standard deviation (by hand) for the binomial distribution with the probability of a success being 1/4, 1/2, 3/4.
Calculate kc for this equilibrium : Kp for the reaction of SO2(g) with O2 to produce SO3(g) is 3 × 1024 . Calculate Kc for this equilibrium at 25ºC. (The relevant reaction is 2SO2(g) + O2(g) 2SO3(g).)
Determining number of tickets sold : A total of 258 tickets were sold for the school play.The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?
Compute the magnitude of the normal force that floor exert : You push on the chair with a force of = 35.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor.Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.

Reviews

Write a Review

Biology Questions & Answers

  Effect of an acidic fluid on enzymatic activity

Develop an experiment in which you will test the effect of an acidic fluid on enzymatic activity. To complete this assignment, it may be useful for you to review the Scientific Method Tutorial.

  Find difference between the amino acids

find difference between the amino acids

  Screen for mutants caused by autosomal recessive mutation

Assume if you were working with an organism like Arabidopsis, Drosophila, or any diploid organism that requires to use sexual reproduction to produce offspring.

  Specify a hypothesis regarding mechanisms

The effects of water loss on the water budgets of lactating female mammals in arid environments are not well understood. Specify a hypothesis regarding mechanisms by which females might prevent water losses in their milk from forcing them into neg..

  Debate on synthetic biology

Discuss the pros and cons for a debate on Synthetic Biology, and some reasons why they are pros and cons. Explain your answer.

  Biology in the real world

Use knowledge of biological principles to ask relevant questions about the natural world make observations and discriminate in scientific and pseudoscientific explanations

  Calculate density of bulk water

1000 molecules are bouncing at 300K in two wells separated by a free energy gap DG = 6·10-21 J. Compute how many particles on average are in each well.

  What are reactants and products in the reaction

Hydrogen peroxide (h2o2) breaks down into water and oxygen. Explain why this is a chemical reaction. What are reactants and products in the reaction.

  How did tissues and multicellular animals evolve

Describe the four tissue types, nervous, muscle, epithelial, connective. How did tissues and multicellular animals evolve? How do animals develop.

  Multiple choice questions - cellular and molecular biology

Estimate which type of protein binds to improperly folded or improperly assembled proteins in the ER, holding them there until proper folding occurs?

  Why tympanic membrane gets washed off by saliva

As you travel up a mountain in your car, you notice that your hearing diminishes. You realize that your ears are stopping up, and you swallow several time to clear them.

  Find required starting solution

Assume you have one hundred ml each of 400 mg/ml sodium phosphate, 250 mg/ml sodium chloride, and 100 mg/ml potassium nitrate.

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