Because sea otters seem to have few natural predators, food scarcity may be the biggest factor limiting population growth when a herd reaches equilibrium density.
(sea otters; seem; ) (sea otters; to have; few natural predators) (food scarcity; may be; the biggest factor limiting population growth; T:when a herd reaches equilibrium density) (the biggest factor; limiting; population growth) (a herd; reaches; equilibrium density)
sea otters sea otters food scarcity the biggest factor a herd
seem to have may be limiting reaches
few natural predators
the biggest factor limiting population growth T:when a herd reaches equilibrium density
population growth
equilibrium density