"the process by which undigested material is removed from the gastrointestinal tract is: "

Using meiosis, the sporophyte produces spores that are .

The wind speed in the region between cities a and b was probably the greatest at noon on which day

Some plants release toxic chemicals that kill or harm nearby plants. what type of example is this? 1 cooperation 2.mutualism 3.competition or 4.parasitism