The SRP and the nascent polypeptide chain–ribosome complex bind to the SRP receptor in the ER membrane. This interaction is strengthened by the binding of GTP to both the SRP and its receptor.

TLS Online TPP Program

#Id: 8433

#XL - T Zoology

Type of iteroparity

Seasonal iteroparity - have distinct breeding seasons 

Continuous iteroparity- reproduce at any time of the year. 

TLS Online TPP Program

#Id: 8434

#XL - T Zoology

If the environment is stable - Selection favors a single act of reproduction.

TLS Online TPP Program

#Id: 8435

#XL - T Zoology

r-selected species

High rate of per capita population growth

poor  competitive ability

Grows quickly 

age early, 

devoting much energy to producing  large number of progeny 

Small in size, and individuals do not live long. 

Random matting

TLS Online TPP Program

#Id: 8436

#XL - T Zoology

Grime’s triangle

TLS Online TPP Program

#Id: 8437

#XL - T Zoology

TLS Online TPP Program

#Id: 8438

#XL - T Zoology

Where conditions for plant growth are less stressful, plants can evolve life history traits that fall along a continuum from competitors to ruderals.