Why can't the producers in some ecosystems make an unlimited supply of organic material? (1 point) • Temperatures are too hot for photosynthesis.
• Too many carnivores eat the producers.
• Energy needed to make organic material is lost as heat.
• One or more nutrients is in short supply.

Digestion because it removes waste

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process.