Science 9 1-4 and 2-3 14 and 15 Nov 2017

Finish the diagram from p. 205 (sea urchin fertilization and early development). Be sure the diagram is labelled:

A – fertilization: sperm meets egg; sperm nucleus enters egg.

B – zygote – diploid cell that results from fertilization

C – 1st mitotic division – 2 cells

D – 2nd mitotic division – 4 cells

E – 3rd mitotic division – 8 cells

 

Be sure you have finished and handed in the meiosis diagram (see p. 191), labelled. This was assigned earlier and has been collected.

Science 9 1-4 7 Nov 2017

Finish the reading about asexual reproduction handout, as part of your studying for chapter 5 test next class. Golden Rice and GMOs will also be on the test.

Review all notes, textbook and workbook sections, activities, etc.