A cohort is a group of same-aged young which grow and survive at similar rates.

A population is often made up of organisms from a variety of different cohorts.

TLS Online TPP Program

#Id: 1587

#Unit 5. Developmental Biology

PMZ = Amphibian Nieuwkoop center

TLS Online TPP Program

#Id: 5506

#Unit 10. Ecological Principles

If individuals in one patch go extinct, other individuals in other patches survive, and they supply individuals

TLS Online TPP Program

#Id: 6490

#Unit 3. Fundamental Processes

Strikingly, a number of TAFs resemble histones: nine of 14 TAPs contain a histone fold domain, though in most cases the TAFs lack the residues of this domain that are responsible for DNA binding. 

TLS Online TPP Program

#Id: 5984

#Unit 10. Ecological Principles

Top-down control - Higher trophic levels determine the sizes of the lower trophic levels Bottom-up control - Size of a higher trophic level is determined by lower trophic level 

TLS Online TPP Program

#Id: 5897

#Unit 3. Fundamental Processes

The second metal ion coordinates the negative charges of the b-phosphate and g phosphate of the dNTP and stabilizes the pyrophosphate produced by joining the primer and the incoming nucleotide.