Which describes an interaction in which two organisms that interact must use the same limtied resources

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Using meiosis, the sporophyte produces spores that are .