First cleavage reaction in nucleus leaves a 2-nucleotide overhang on the 3’ ends of the dsRNA product. This 3’ overhang is important for recognition of that RNA molecule by the next enzyme in the cytosolic pathway, Dicer.

TLS Online TPP Program

#Id: 1876

#Unit 10. Ecological Principles

K1>K2/β  and K1/α>K2- Species 2 goes extinct

TLS Online TPP Program

#Id: 1877

#Unit 10. Ecological Principles

K1>K2/β  and K1/α<K2- Either species 1 or species 2 goes extinct, depending on the initial densities.

TLS Online TPP Program

#Id: 1878

#Unit 10. Ecological Principles

K1<K2/β  and K1/α>K2- The two species coexist.

TLS Online TPP Program

#Id: 1880

#Unit 10. Ecological Principles

The superior competitor hypothesis suggests invasives are more efficient users of natural resources than natives.

TLS Online TPP Program

#Id: 1881

#Unit 10. Ecological Principles

The propagule pressure hypothesis suggests invasives produce more progeny than some native species.

TLS Online TPP Program

#Id: 1882

#Unit 10. Ecological Principles

Outcomes of Competition- 

Reduction in population sizes

Change in space use or activity 

Competitive exclusion

Character displacement