4 Criteria of Life
1. All life forms contain deoxyribonucleic acid (DNA)
2. All life forms get energy from surroundings & convert it to a form that will sustain life
3. All life forms can sense and respond to changes in their surroundings. Sensing & Responding
4. All life forms reproduce Reproduction
What is DNA? DNA is a macromolecule that contains the information necessary to sustain life
Energy ultimately comes from the sun. In Biology, it is useful to organize and classify what is being studied. One way to classify living organisms is whether or not they can produce their own energy or not. So we would have 2 groups: Autotrophs and Heterotrophs
 | |
| Name the autotroph and the heterotroph. |
Plants convert sunlight into glucose (sugar) through a process called photosynthesis.
Cyanoalgae and some bacteria can also do this.
2. Heterotrophs - organisms that depend on other organisms for food. This would include all other living organisms!
Click on this link to see an interesting youtube video autotrophs vs heterotrophs youtube video
For more info on simple classification based on energy flow see Mod 1 simple classification and energy flow This link will include my notes on herbivores, carnivores, omnivores, producers, consumers, and decomposers.
The following links are perhaps a little childish :) but they may help you remember the 7 Classification
Groups 7 Classification Group and Classification Rap and the Scientific Method Scientific Method Song.
More links to notes:
Limits of the Scientific Method Limits of the Scientific Method
Biological Classification Biological Classification
Mod 1: Traits used to assign Kingdoms Traits used to assign Kingdoms
Mod 1: Naming of Organisims Naming Organisms
Module 1 Summary: Mod 1 Summary
Module 1 Study Guide: Mod 1 Study Guide
Appendix A A Simple Biological Key To be used for Experiment 1.1. Also can be found in your textbook.
Kelsey was here!
ReplyDeleteI just saw this today! So glad you stopped by. Hope you have enjoyed the snow day today. :)
Delete