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TLS Online TPP Program

#Id: 6109

Some chemicals that cause cancers are not mutagenic to begin with, but rather are converted into mutagens by the liver, which metabolizes foreign substances. 



#Unit 3. Fundamental Processes #Mutation and Repair #Part B Pointers
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TLS Online TPP Program

#Id: 8795

#Unit 10. Ecological Principles
TLS Online TPP Program

#Id: 2183

#Unit 10. Ecological Principles

Succession, the gradual and continuous change in species composition and community structure over time
TLS Online TPP Program

#Id: 2184

#Unit 10. Ecological Principles

Causes Succession
TLS Online TPP Program

#Id: 2185

#Unit 10. Ecological Principles

Allogenic factors –  Chemical weathering of rocks or filling in by sand/silt in a pond
Autogenic factors– Autogenic factors include – Immigration, Growth, Reaction, Coactions
TLS Online TPP Program

#Id: 2186

#Unit 10. Ecological Principles
TLS Online TPP Program

#Id: 2187

#Unit 10. Ecological Principles

Step in succession
1. Nudation 
2. Migration 
3. Ecesis 
4. Aggregation
5. Competition 
6. Reaction 
7. Stabilization