Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Biology Expert

Several closely related frog species of the genus Rana are found in the forests of the southeastern United States. The species boundaries are maintained by reproductive barriers. In each case, match the various descriptions of frogs below with the appropriate reproductive barrier listed.


One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes. 

Biology, Academics

  • Category:- Biology
  • Reference No.:- M9127295

Have any Question?


Related Questions in Biology

A man and woman both with normal vision have 1 a

A man and woman, both with normal vision, have (1) a color-blind son who has a daughter of normal vision; (2) a daughter of normal vision who has one color-blind son and one normal vision son, and (3) another daughter of ...

Question topic 2 article the cusp of a revolution in

Question: Topic 2 [article]: The cusp of a revolution in medicine. In a recent op-ed, Craig Venter (2)* shares his opinion that we are "on the cusp of a revolution" in medicine. (a) Describe three things that you learned ...

Trace the flow of carbon within the process of

Trace the flow of carbon within the process of photosynthesis. Be sure to include the following terms in your description: Glucose.NADPH,ATP, Calvin cycle, RUBISCO,CO2.

Why biologically is evolved resistance to crop pests

Why, biologically, is evolved resistance to crop pests inevitable?

Question darwin was not the first to consider evolution as

Question: Darwin was not the first to consider evolution as a process but he did come up with the first effective explanation for how it happens. Describe Darwin's theory of evolution by natural selection. Explain how th ...

The current scientific defination of standard temp and

The current scientific defination of standard temp and pressure (STP) is: 0 degrees C and 1.00 bar pressure of a gas, using ideal gas law calculate the volume In L occupied by 1 mol of an ideal gas under these condition( ...

Question write a 525- to 700-word paper on the genetic

Question: Write a 525- to 700-word paper on the genetic disorder (Sickle Cell Disease ). Include the following in your paper: Summarize the Chromosomal Theory of Inheritance and how chromosomal abnormalities can lead to ...

Question - gene cloning a please write the steps to clone

Question - Gene Cloning a) Please write the steps to clone the protease gene from Bacillus strain whose genome sequence is not known. b) Express the protease gene to obtain the enzyme in high yield, please plan your prot ...

Instructions address each question below as it relates to

Instructions: Address each question below as it relates to the caw study given. A patient was brought to the Emergency Department by ambulance with two arrow wounds. One arrow is still in the patient on the left side; en ...

Do polynucleotides make the proteins dna polymerase 1 dna

Do polynucleotides make the proteins DNA polymerase 1, DNA Polymerase 3, Helicase, SSB proteins, ligase and Primase?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As