Biology - April 2007

Like, do people in the North who have blue eyes have any advantage in sight, over darker eyed people in the North?

Does it have to do with the spectrum they see?

2007-04-04 12:55:57 · 8 answers · asked by Anonymous

“No law can be sacred to me but that of my nature.” Explain this quote used my Emerson in self-reliance.

2007-04-04 12:08:06 · 8 answers · asked by Mark 2

2007-04-04 10:31:15 · 8 answers · asked by namesake 3

Define " density dependent factor" and " density independent factor". Provide an example of each with reference to a herd of deer on an island.

2007-04-04 10:30:50 · 6 answers · asked by SFJ238 1

2007-04-04 10:08:19 · 1 answers · asked by Dolores R 1

Since the advent of DNA analysis and other molecular techniques, have there been any examples where convergent evolution mislead earlier biologists in regards to species identification? If so what animal and what was the convergent trait.

2007-04-04 10:00:55 · 2 answers · asked by Al 3

This may sound like a stupid questions, but wavy hair seems to be a combination of the two although curly is dominant and straight is recessive. Is wavy hair just considered curly hair?

2007-04-04 09:50:56 · 1 answers · asked by Dr. Bob Evil 1

2007-04-04 09:47:04 · 7 answers · asked by Anonymous

2007-04-04 09:26:16 · 4 answers · asked by stacie c 3

2007-04-04 08:53:15 · 4 answers · asked by barswhereami 2

caused by an X-linked recessive gene. What is the probability the child will be color blind?

a. .25 (or 25%)
b. .50 (or 50%)
c. .75 (or 75%)
d. 1.00 (or 100%)
e. none of the above.

thanks in advance.

2007-04-04 07:38:59 · 6 answers · asked by Anonymous

A little help please..?
You are most likely to be able to form a homogeneous mixture with substances with ____.
A) the same size and different shapes
B) the same shapes and different sizes
C) the same shapes and same sizes
D) different shapes and different sizes

I no for a fact it not A...

2007-04-04 07:34:39 · 2 answers · asked by Anonymous

2007-04-04 07:24:57 · 6 answers · asked by Anonymous

(a) cell division by mitosis
(b) cell division by meiosis
(c) sexual reproduction
(d) glucose synthesis

2007-04-04 06:24:29 · 4 answers · asked by erica a 1

I'm performing a Winogradsky Column lab and I have one column with a layer of eggshell incorporated, but the other does not. Both columns do, however, have constany exposure to sunlight. Thus, I'm assuming that the column without the eggshell layer will not change.

2007-04-04 05:19:15 · 2 answers · asked by brandys_peep 2

2007-04-04 04:46:13 · 13 answers · asked by Joel J 1

1.Which of the following is correct about the flatworm's muscular system?
A. It contains three types of muscle tissue.
B. It consists of two layers of muscle.
C. Its muscles are attached to a center bone.
D. Its muscles are all involuntary.

2.Which of the following is correct about the human muscular system?
A. Smooth and cardiac muscles operate involuntarily.
B. Skeletal muscles often form in hollow internal structures.
C. Each bone is attached to one muscle.
D. Muscles of the body can pull and push.

2007-04-04 04:10:20 · 4 answers · asked by Anonymous

2007-04-04 01:09:07 · 6 answers · asked by Anonymous

2007-04-04 00:45:55 · 2 answers · asked by egg_0001 1

2007-04-04 00:39:23 · 3 answers · asked by Anonymous

2007-04-04 00:35:50 · 11 answers · asked by James S 2

I'm writing a story...and my character needs to erase her identity. How can you get rid of fingerprints? Burn them?

2007-04-03 21:13:46 · 7 answers · asked by kingelessar2 3

2007-04-03 19:37:07 · 9 answers · asked by Anonymous

1. How does bacterial resistance to antibiotics support for Darwin’s theory of evolution

2. There is a theory that Native Americans are the descendants of people who migrated to North America across the Bering Straight from Siberia (Russia). Considering the fact that the Bering Straight is now covered by water, (think geographic isolation) explain how the existence of Native Americans supports Darwin’s theory of Evolution.

2007-04-03 18:26:59 · 7 answers · asked by isranirockstar 2

2. If only one species is considered the "fittest", why do we still have so many variations among species? Why do some birds have very long pointy beaks, while other birds have short flat beaks?

3. How do diseases affect natural selection?

2007-04-03 18:23:40 · 5 answers · asked by isranirockstar 2

simplicity is key. 7th grader in your hands.

2007-04-03 17:51:43 · 3 answers · asked by Tali M 1

1.)A klinefelter individual is color blind ( x-linked recessive disorder) Both his father and his mother have normal vision, but his maternal uncle is color blind. In which parent and at what meiotic division did sex chromosome non disjunction occur?

2.) A Turner patient had hemophilia (X-linked recessive disorder). Her mother does not have hemophilia, but her father does. In what parent did nondisjunction occur so that the single X came from the father?

2007-04-03 17:39:54 · 4 answers · asked by ja n 1

2007-04-03 17:31:34 · 5 answers · asked by Kristin L 1

2007-04-03 17:28:38 · 3 answers · asked by Kristin L 1

a) oxygen
b) carbon
c) hydrogen
d) nitrogen
e) phosphorus

My first instinct is carbon, does anyone agree?

2007-04-03 17:22:17 · 7 answers · asked by Anonymous