Mutualism is when ________ benefit from ecological interaction.
Two species
Nutrient Cycling is the exchange or ______ from one form to another through biological and chemical processes.
Transformation
Predation is when one species ______ for food.
Kills another
Evaporation is the transformation of what?
Liquid Water
Commensalism is when one species benefits while another is ______.
Unaffected
Natural processes which provide for the cycling of chemicals between biotic and abiotic factors include?
Water, oxygen, carbon, nitrogen, and phosphorus
Competition is the ______ between two organisms for the same resource, such as food, space or mates.
Struggle
Oxygen cycle is the continuous movement of _______ throughout the _____.
What are the positive interactions?
Predation and Commensalism
Carbon Cycle is possible through the exchange and release of _______ between the atmosphere via photosynthesis and respiration of plants and animals.
Carbon Dioxide