HA trimers are responsible for the attachment of the virus to host cells, binding to the sialic acid. 

NA is an enzyme that cleaves N-acetyl neuraminic (sialic) acid

Within the envelope, consists of eight different strands of single- stranded RNA (ssRNA) associated with protein and RNA polymerase. 

TLS Online TPP Program

#Id: 1871

#Unit 10. Ecological Principles

The strength of interspecific competition increases with decreased resources.

TLS Online TPP Program

#Id: 1872

#Unit 10. Ecological Principles

α12 - Per capita competitive effect on species 1 of species 2.

TLS Online TPP Program

#Id: 1873

#Unit 10. Ecological Principles

α12<1 Individuals of species 2 have less inhibitory effect on individuals of species 1 than individuals of species 1 have on others of their own species.

TLS Online TPP Program

#Id: 1874

#Unit 10. Ecological Principles

α12>1 Species 2 have a greater inhibitory effect on individuals of species 1 than do the species 1 individuals themselves.

TLS Online TPP Program

#Id: 1875

#Unit 10. Ecological Principles

K1<K2/β  and K1/α<K2 - Species 1 goes extinct

TLS Online TPP Program

#Id: 1876

#Unit 10. Ecological Principles

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