This prediction was supported by data collected in one survey of 24 species from an Arizona forest, more evidence that predator pressure favors the evolution of begging calls that are hard to detect and pinpoint.
请问这句话的后半句more evidence that predator pressure favors the evolution of begging calls that are hard to detect and pinpoint.
中第一个that引导的是定语从句还是同位语从句,从句部分从哪到哪?