Did I learn it? Chapter 11. What are the 5 general characteristics of living things?

2. Which one of the above characteristics will specifically help you, if you try to differentiate between a dead animal and a live animal?

3. What is a “theory”?

4. Write down the Cell theory:

5. What is evolution? How does evolution happen?

6. What are heritable characters?

7. People who lose a hand due to accidents become very efficient with doing all the work with just one hand. Is this a heritable character? Will this contribute to the evolution of humans? Justify your answer.

8. Describe how natural selection happens. How is this different from artificial selection?

9. Many hospitals have the problem of antibiotic resistant bacteria being evolved due to the heavy use of antibiotics. Is this evolution of these bacteria by natural selection?

10. If all the species of organisms on earth are placed in the evolutionary tree, what does the base of the tree represent?

11. Think; What would the leafless dead branches and twigs on this tree would represent?

12. Think again now; What would the live green twigs on this tree would represent?

13. What are the three Domains into which all organisms are now categorized based on molecular data?

14. Evolutionarily, Archaea (Archaebacteria) domain is more closely related to what other domain?

15. What is the main difference between Prokaryotes and Eukaryotes? Why are there no multicellular Prokaryotes?