Explain what is meant by the statement

Assignment Help Biology
Reference no: EM13759328

1.Compare the embryos of chickens, humans and fish, and describe in detail how pharyngeal arches show a shared evolutionary past?.
2.Explain how reproductive barriers result in the development of different species..
3.Explain what is meant by the statement, evolution does not have a goal..
4.Explain why you would or would not expect evolution to proceed more quickly in a rapidly changing environment. Be sure to address all five agents of evolutionary change in your response..
5.Explain, using the illustrations on page 157 of your text, why penicillin, once a widely used and effective antibiotic, is now no longer effective against penicillin-resistant bacteria. 

Reference no: EM13759328

Questions Cloud

Gametic incompatibility reproductive barrier : What effects do you think that climate change will have on gametic incompatibility reproductive barrier?
What unit selling price must the owner obtain to break-even : A small business owner is contemplating the addition of another product line. Capacity increases and equipment will result in an increase in annual fixed costs of $50,000. Variable costs will be $25 per unit. What unit selling price must the owner ob..
Create a query using the simple query wizard : Start Access. Open the downloaded Access file named exploring_a02_grader_h1. Create a new table in Datasheet view using the name Donations. Switch to Design View and change ID to DonationID. Add the following field names to the table: DonorID, Plan..
Compute the annual holding cost-total purchase cost : Given the following information for an important purchased part, compute the Total purchase cost, Annual holding cost, Annual order cost. Use Microsoft Excel to plot the cost curves (annual holding cost, annual order cost and annual total cost) on th..
Explain what is meant by the statement : 1.Compare the embryos of chickens, humans and fish, and describe in detail how pharyngeal arches show a shared evolutionary past?.2.Explain how reproductive barriers result in the development of different species..3.Explain what is meant by the state..
How could a restaurant chain organization operating : How could a restaurant chain organization operating turnpike food services make such an estimate? How could a regional airline?
An epidemiologist for the centers for disease control : A recent Super Virus has swept our great nation and is threatening our human existence! It has been called to the attention of the president and he has issued an executive order to help combat this unprecedented situation. You will be working as an e..
C++ programming to add-subtract-multiply or divide two no : create a text-based, menu-driven program that allows the user to choose whether to add, subtract, multiply or divide two numbers. The program should then input two double values from the use, perform the appropriate calculation, and display the re..
Critical path method-program evaluation and review technique : Compare and contrast the critical path method (CPM) and program evaluation and review technique (PERT). What type of project characteristics might favor PERT as the preferred project management tool?

Reviews

Write a Review

Biology Questions & Answers

  Determine which mutations will go to fixation

Discuss the greatest effect on determining which mutations will go to fixation in both a large population and a small population?

  Explain how dna is responsible for protein structure

Explain how DNA is responsible for protein structure, both in prokaryotes and eukaryotes.

  Trna genes in a genome sequence

Suppose that the lengths of the double-helical regions and the lengths of the single-stranded regions in them vary within relatively tight limits.

  Determine gene frequency for the flight alleles

Think about a population of owls. For simplification purposes let's say that an owl's flight can be loud or silent and is a function of classic Mendelian genetics.

  Synaptic configuration of homologous pairs of chromosomes

Draw the synaptic configuration of homologous pairs of chromosomes when one member is normal and the other member has sustained a duplication within the chromosome

  What proportion of spores do you expect to produce a colony

If you cross trp8 mutant to trpI mutant(the loci are not linked), what proportion of spores do you expect to produce a colony on the minimal medium without any supplements?

  What is the woman abo genotype and blood type

ABO Blood Type Problem. A woman is married for the second time. Her first husband was blood type A and her child by that marriage was type O. Her new husband is type B, and their child is type AB. What is the woman's ABO genotype and blood type?

  Homogametic and heterogametic sexesare the reverse

A new recessive mutation in chickens that causes feather loss from the wings is being investigated. Describe the expected progeny phenotypes from a cross between a hen with feather lesswings and a true-breeding wild type rooster if:

  Differences between facilitated diffusion and osmosis

what are the differences between prokaryotic and eukaryoticDNA replication? what are two similarities and two differences between facilitated diffusion and osmosis

  Electrical activity of a simulated neuron and the fast block

Describe the similarities between electrical activity of a simulated neuron and the fast block to polyspermy that occurs during fertilization in sea urchins.

  What proportion of the offspring would be heterozygous

In a particular type of melon, orange fruit is dominant over green fruit and round shape is dominant to oval. If a plant that was heterozygous for both traits were crossed with a plant that was homozygous recessive for both traits, what proportion..

  Somatic cells of chimpanzees have 48 chromosomes

Describe what you observed in your cheek smear wet mount, direct stained slide, and indirectly stained slide. What were similarities and differences. Describe what you observed in your yeast wet mount, direct stained slide, and indirectly stained sli..

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