TABLE 1.
| Symbol | Value for within-generation bet hedging | Value for helping |
|---|---|---|
| f• | f(1 − Cz•) |  |
| f0 |  |
 |
| f1 | f(1 − Cz1) | f(1 + (B − C)z1) |
 |
σ2(1 − Dz•) | σ2 |
 |
 |
σ2 |
 |
σ2(1 − Dz1) | σ2 |
f, baseline mean fecundity of each individual in a monomorphic population; σ2, baseline fecundity variance of each individual in a monomorphic population; z•, phenotype of a focal individual; 
average phenotype of individuals from the focal deme (
); 
average phenotype of individuals from the focal deme but excluding the FI; z1, average phenotype of individuals from different demes.