Bio 151, Sp 2017
HW: Evolution, HWE
Due Thursday, March 9 before class begins.
1. How did Darwin and Wallace define evolution?
It would happen through natural selection and theyd start morph
HUMAN CHROMOSOME ABNOMALITIES
(Occurs During Meiosis)
Has to occur in sex cells, sperm & egg formation, in order to pass onto offspring.
Karyotype: an enlarged picture of chromosomes arranged by chromosome # from
largest to smallest.
I. Often caused by NO
Biology Cell Unit - Photosynthesis & Respiration
The Need for Energy
All living organisms need energy to live. This energy is stored and released in many
different forms. It also flows between organisms in living systems. How do plants get
their energy? L
THE CELL (Chap 7-1 & 7-4)
Discovery of the Cella
C. 1773 Robert Brown: Discovered the nucleus
G. CELL THEORY
All organisms are composed of cells & all cells come from pre-existing cells
2. Nucleoplasm: Dense-protein rich substance in the nucleus.