endosymbiosis

The word of the day is:

ENDOSYMBIOSIS!!

please find the definition for this.

size animations

here are the two cool scale animations I found for you.

cells alive

Utah site

Plus, here's the quickwrite questions:

1A.  Compare prokaryotes with eukaryotes.  (2 points)

1B.    Compare autotrophs with heterotrophs.

2A. Why are all cells about the same size?

2B.  Why are prokaryotes’ DNA more likely to mutate?

RATS!!!

Class,

Aren't the insides of rats cool?

Here's the list of questions I want you to answer:
Digestive:  1,3, and 5
Urogenital:  1,2, and 3
Circ.: 1,2
Respiratory:  1,2, and 3
Nerve:  ???(havent decided yet)

by the way, there are a lot of good resources for rat dissections  out there.  Here's one I found helpful.

Pumpkin lab Write up due Thursday
1.  size vs seed count:  please graph this data.  You should include teh following:  title, axes labeled, data plotted correctly, brief explanation.  Use graph paper.
2.  water transport:  Explain why the pumpkins did what they did.  Use the term osmosis in your answer.  PLEASE NOTE:  I WILL ASK AN OSMOSIS QUESTION TOMORROW (on quiz).
3.  Biological time bombs:  Show your work and make sure all numbers are labeled.

By the way, heres the link to that cool animation Henry Randle found: