How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Mr. Gregory White Your Own Question

Mr. Gregory White
Mr. Gregory White, Professor
Category: Homework
Satisfied Customers: 5214
Experience:  M.A., M.S. Education / Educational Administration
Type Your Homework Question Here...
Mr. Gregory White is online now
A new question is answered every 9 seconds

1. (TCO 7) The interaction between two organisms called commensalism:

This answer was rated:

1. (TCO 7) The interaction between two organisms called commensalism: (Points : 4)
always benefits one of the organisms and does not affect the other.
benefits both organisms.
is illustrated by the relationship between a shark and the fish that it eats.
All of the above

2. (TCO 7) Which one of the following best describes the nature of an animal's habitat? (Points : 4)
The food an animal eats
The other animals present
The water the animal drinks
The place the animal lives

3. (TCO 7) As the human population has increased: (Points : 4)
humans have changed the kinds of plants and animals present.
humans have overfished the oceans.
humans have caused the extinction of some organisms.
All of the above are correct.

4. (TCO 7) As the population density increases, which one of the following is likely to occur? (Points : 4)
Mortality will increase.
The population will experience an exponential growth.
Natality will increase.
Individuals will migrate from the area of highest density.

5. (TCO 8) The breakdown of which of the following leads to the self-destruction of the cell? (Points : 4)

6. (TCO 8) An outside source of energy (ATP) is required for: (Points : 4)
active transport.
None of these answers are true.

7. (TCO 9) The expression of a gene is called: (Points : 4)

8. (TCO 9) If one pair of genes could cause some flowers to have red petals or yellow petals and could also determine the strength of the stem, this would be an example of: (Points : 4)
polygenic inheritance.

9. (TCO 9) Which of these is responsible for carrying a specific amino acid into place? (Points : 4)

10. (TCO 9) If the sequence of bases in mRNA is U, C, A, the sequence of bases in DNA is: (Points : 4)
A, G, and U.
A, G, and T.
A, C, and A.
T, G, and U.

11. (TCO 9) Which one of the following statements is not consistent with the concept of evolution? (Points : 4)
Mutations occur as a result of evolution.
Selective breeding can result in new varieties of plants and animals.
Only populations of organisms evolve; individual organisms cannot.
Evolution is taking place today.

12. (TCO 9) All of the following ideas support the idea that life could have originated on Earth except: (Points : 4)
the temperature of Earth allows water to exist as a liquid.
organic molecules could have formed in an atmosphere that lacked oxygen.
Earth has oxygen in its atmosphere.
structures similar to prokaryotic cells have been found in fossils.

13. (TCO 10) The primary mechanism that redistributes the flow of blood from one part of the body to another is based upon changes in: (Points : 4)
the rate at which the heart beats.
the rate at which blood is removed from one area and sent to another.
the strength of the heartbeat.
the diameter of the arterioles.

14. (TCO 10) The normal flow of blood throught the heart is: (Points : 4)
right atrium > right venticle > lungs > left atrium > left ventricle > aorta.
right atrium > left atrium > left ventricle > aorta.
lungs > right ventricle > aorta > left atrium > left ventricle > lungs.
left ventricle > lungs > left atrium > right ventricle > right atrium > aorta.

15. (TCO 10) Blood flows directly from the intestines, where nutrients enter, to the liver, which: (Points : 4)
adds bile to the blood.
alters the pH of the blood.
removes and alters many of the nutrients.
increases the number of enzymes to complete digestion.
Thanks for using JustAnswer. My name isXXXXX will do whatever I can to answer your questions.

Don't Forget the deposit you placed to ask this question is not used to compensate me until you rate my service! Please Remember that when you are asked to give a rating, you are rating My Service and not this website itself.
CLICK HERE for the resource on this prompt.

Feel free to request me anytime. Just put "For TeacherGreg" at the front of your post or, even better, bookmark my weblink at and use the question box on my page - still put the "For TeacherGreg" in the front of the post so it is directly sent to me.

All the best in your studies and have a wonderful rest of the week.
Customer: replied 3 years ago.

Thank You, XXXXX XXXXX be posting the answers here?


You need to spend $3 to view this post. Add Funds to your account and buy credits.
Mr. Gregory White, Professor
Category: Homework
Satisfied Customers: 5214
Experience: M.A., M.S. Education / Educational Administration
Mr. Gregory White and other Homework Specialists are ready to help you

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
< Previous | Next >
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
  • He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here. Diane Dallas, TX

Meet The Experts:

  • LogicPro



    Satisfied Customers:

    Expert in Java C++ C C# VB Javascript Design SQL HTML
< Last | Next >
  • LogicPro's Avatar



    Satisfied Customers:

    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • Manal Elkhoshkhany's Avatar

    Manal Elkhoshkhany


    Satisfied Customers:

    More than 5000 online tutoring sessions.
  • Linda_us's Avatar


    Finance, Accounts & Homework Tutor

    Satisfied Customers:

    Post Graduate Diploma in Management (MBA)
  • Chris M.'s Avatar

    Chris M.

    M.S.W. Social Work

    Satisfied Customers:

    Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
  • F. Naz's Avatar

    F. Naz

    Chartered Accountant

    Satisfied Customers:

    Experience with chartered accountancy
  • Bizhelp's Avatar



    Satisfied Customers:

    Bachelors Degree and CPA with Accounting work experience
  • Seanna's Avatar



    Satisfied Customers:

    3,000+ satisfied customers, all topics, A+ work