Wednesday, March 23, 2016
Evidence can tell a story
1. What evidence exists to suggest that life on earth had changes over time?
What does this evidence imply about the early earth environment and ancient life
forms compared to modern ea
Genetics: Study of Inheritance
Friday, March 18, 2016
Gregor Mendel: the father of genetics
Formulated 2 laws of inheritance.
Law of Segregation
Each individual has two factors (genes) fir each traits.
The factors segregates (separate) during
Chap. 14 (cont.): Protein Synthesis
Wednesday, March 2, 2016
A gene is a section of the DNA that has the code for making all or part of the
DNA is the blueprint
Protein is the final structure
Making a copy
Chap. 14: Making Sense of DNA
Monday, February 29, 2016
*Reproduction is important or it fails.*
How long have we known about DNA?
Since the 50's
What is DNA?
2 polymer strands
23 pairs of chromosomes
Polymer made of nuc
Wednesday, April 20, 2016
Three Functions performed by the organs of digestive system.
1. Digestion: breakdown food into small nutrient molecules.
2. Absorption: moving
Circulation and Respiration
Wednesday, April 27, 2016
The Circulatory System
- Three parts and functions
Includes a double pump (the heart) to push the blood around the body.
Materials (oxygen, food) needed by the cells are dissolved in the bloo
Ecosystem: Part. 1- Principles of Matter and Energy
Wednesday, April 6, 2016
Ecosystems are a community of interdependent organisms and their physical
Energy flows through an
ecosystem, changes forms,
and escapes out of it as heat.
Chap. 6: A Tour of the Cell
Tuesday, January 26, 2016
Cells are the smallest unit of life that exhibit all characteristics of life
- All living things are made of cells
- Cells are functional units of organisms
- All cells are derived
Monday, April 11, 2016
"Desert": Natural Selection
Up and Over the mountains
LA, San Diego County
Long periods without rain