Biology - February 2007

The embryo receives water for germination in the animal's digestive system.
The seed coat is partially digested and becomes easier to open.
The seed is more likely to germinate due to the actions of animal enzymes.
Seed dispersal is the only advantage gained.

2007-02-20 17:07:10 · 3 answers · asked by Your Mom 1

2007-02-20 17:06:14 · 6 answers · asked by I'm blonde 1

I accept the theory of Darwin`s evolution/”survival of the fittest”. However, I do not understand how a non-life threatening evolution can take place, for example as I hear, in our own evolution we lost our tails. How would having a tail be life threatening and not always be an advantage?

2007-02-20 17:05:22 · 16 answers · asked by Andrew 2

Can you help me find out?

I suppose its important for your cells to remain active.

2007-02-20 15:26:36 · 1 answers · asked by blackmail8549 2

respiration, dehydrogenation, a coupled reaction, or a reduction reaction.

2007-02-20 15:13:14 · 3 answers · asked by whatsinaname07 1

2007-02-20 15:05:45 · 8 answers · asked by Margaret T 1

Any help I would really appericate!!!

the two major body cavities of a fetal pig are?

a) thoracic and pleural
b) thoracic and pericardial
c) abdominopelvic and thoracic
d) abdominopelvic and pericardia

the diaphragm is a sheetlike skeletal muscle that separates the?
a)thoracic and pleural cavities
b)thoracic and pericardial cavities
c)thoracic and abdominopelvic cavities
d)pleural and pericardial cavities


the digestive system is concerned with?
a)blood circulation
b)digestion and the absorption of nutrients
c)reproduction
d)excretion of urine

the liver functions to
a)produce bile
b)pump blood
c)form urea
d)do both a and c

as general rule, the small intestine of a pig or human is
a)about 60 cm long
b)about 1.5m long
c)about as long as the individual is tall (or as long in cause of the pig)
d)about 5 times the height of the individual

2007-02-20 15:01:13 · 2 answers · asked by Anonymous

2007-02-20 15:00:33 · 6 answers · asked by rdappa 4

2007-02-20 14:43:55 · 2 answers · asked by Anonymous

2007-02-20 14:42:46 · 4 answers · asked by cherri 1

2007-02-20 14:42:22 · 2 answers · asked by Anonymous

please give me an example from the animal kingdom to support your answer.

2007-02-20 14:40:29 · 4 answers · asked by Anonymous

27% of the population is homozygous dominant for a trait. please tell me how many

- homo. dom.
- hetereo.
- homo rec.
there are

please EXPLAIN YOUR ANSWERS!!!

2007-02-20 14:13:52 · 2 answers · asked by Anonymous

Do you think that Wal-Mart is a good location to collect mutated human DNA samples?

2007-02-20 14:12:08 · 4 answers · asked by The ~Muffin~ Man 6

Hair, such as on arms or legs, reaches a certain length and then seemingly stops growing. If I were to cut it however, it would immediately start growing back until it reached that point again. Why is this?

2007-02-20 13:54:55 · 5 answers · asked by scott s 1

mitochondria, oxygen, a nucleus, or ATP

2007-02-20 13:49:35 · 3 answers · asked by Anonymous

carbon dioxide and water

lactate or ethanol

methane, ammonia, and water

two pyruvate molecules.

2007-02-20 13:45:34 · 3 answers · asked by Anonymous

2007-02-20 13:40:28 · 3 answers · asked by soulgirl76 4

Sulfur(S) or Xenon(Xe)???

and how do you know?


thanks :D

2007-02-20 13:33:32 · 4 answers · asked by Kat 3

why or why not?

2007-02-20 13:32:15 · 3 answers · asked by Kat 3

many food particles are polar. how do these get into the cell? (since many polar molecules and ions cannot enter the cell)

2007-02-20 13:23:59 · 3 answers · asked by Kat 3

2007-02-20 13:18:46 · 4 answers · asked by maya_sndrs 1

Also:

How does sickle-cell trait differ from sickle-cell disease?

What are the 2 types ofn selective breeding, and how do they compare?

2007-02-20 13:10:21 · 4 answers · asked by Right here Right now 1

2007-02-20 13:04:19 · 2 answers · asked by Itachi-Sama Luuuuver...!! 2

Please help! It's on an assignment for my science class and it's due tommorow!

2007-02-20 13:02:22 · 5 answers · asked by cherry4441993 2

how would the composition of earth's atmosphere change if green plants and other autotrophs disappeared? explain why in terms of your knowledge of photosynthesis. :D

2007-02-20 13:02:15 · 2 answers · asked by Kat 3

for example, the evolution theroy or the stages of life.

2007-02-20 12:41:29 · 3 answers · asked by mrintelligent12 1

Im confused about all these viruses whether they are a DNA or RNA virus.

2007-02-20 12:20:35 · 7 answers · asked by C_ster 1

Confused ?

2007-02-20 12:11:47 · 3 answers · asked by C_ster 1

2007-02-20 12:05:37 · 4 answers · asked by Johanna and B 1