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Why is the brain so ridged and furrowed

Help please? Thanks, God Bless!! :)-It has more suface area, allowing increased thinking capabilities.-Greater surface area = greater amount of cortex.

Need some Help with two biology Questions please!!!?

1) You are conducting a controlled experiment to find out why your pet fish keep dying. which is not an independent variable that you can test to see what is killing the fish? a) the fish float before

Who first discovered that we feel pain because of our skin

Who were/was the first people/person to discover that skin and pain are related? Meaning the relationship of skin with feeling pain, also can we feel pain with skin? Thank you-there would be no answ

Why does slime shrink

Im just curious, when you buy toy slime, why is that it seems to get smaller and smaller, every time its taken out. It shrinks.-Dehydration.

What does "heat damages tissue" mean

If we take a hot wire and put it on someones skin, the skin will burn and bleed... Where does the destroyed tissue go??? How is the tissue destroyed at atomic levels??? How do doctors stop bleeding w

Help Please!! Chi - Square for Biology

For my lab practical Im going to have to do a Chi Square. I understand how to do the calculations, but how do I get the PERCENTAGE? Im confused as to how calculate expected value. So, for example, Joe

Biology Questions? Any body like science? NEED ANSWERS TODAY! Please :)

I have this take home test and I need some help. The test is on all of the systems of the body and I need help with the multiple choice questions. It would be helpful if you could explain the correct

Where could I find the answer key to Holt Modern Biology Chapter Test B's

just curious my husband is a teacher and cant find his and I was wondering if i could find an online download for free to surprise him.-nice try jimmy-seriously...Report Abuse

Biology help does ANYONE know any of these

4. Describe how natural selection prompted the evolution of the Calvaria tree on the island of Mauritius. 5. How does the extinction of the dodo bird impact the survival of the Calvaria? 6. How is the

Is cillia a cell or structure in the body

A cilium (pl., cilia) is a structure present on some cells (e.g. in the human body, cilia are present on cells in the trachea).-A cilia is not a cell or s structure in the body: it is an organelle, or

How do nephrons filter blood

in simple terms. like ur explaining to a 12 year old-nephrons are the basic functional and structural units of your kidneys. each kidney has roughly anywhere between 800,000 to 1 million nephrons in i

If you put the gene for Bt toxin from Bacillus thuringienses into a tomato plant, the resulting plants will

a. be toic to insects that eat the plants b. be toxic to humans who eat the tomatoes c. die d. have a Bacillus infection-a) be toxic to insects that eat the plants Biotechnology at its best :)

Natural selection and sexual selection question..help please

can they work together to cause the evolution of large antlers on male moose.-Yes, they can. Big antlers are sexually appealing to females, and useful for fighting other moose.

Need help with grade 11 biology question please!!!

A flock of migrating birds is blown off course by a storm and carried towards a small island that has no birds. Only three of thee birds survive the storm and make it to the island. They start to repr

Please be honest...let's say you see a mutilated body on the side of the road.....

there are trees everywhere and not much lighting....ur alone in ur car...and no cell phone reception...and no other cars are in sight.. 1. make a 911 call from a call box about 5 miles down the road
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