Amphibian Gastrulation

TLS Online TPP Program

#Id: 8793

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 8794

#Unit 10. Ecological Principles

COMMUNITY ZONATION - One of the most noticeable features of communities is that the species composition of the community changes as one moves across the landscape. 

With the change in environmental conditions, some species become better able to survive and compete. 

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