A. A mold produces a chemical that kills bacteria without apparently benefiting. - <u>amensalism
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B. Aerobic bacteria in the human colon consume oxygen, making it possible for anaerobic species to survive. - <u>commensalism
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C. "Flagellates live in the gut of termites, feeding on the wood consumed by the termite and allowing the termite access to nutrition and energy in wood that they could not otherwise digest" - <u>mutualism</u>
D. "A helminth takes up residence in a human digestive tract, consuming nutrients" - <u>parasitism</u>
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Explanation:
Amensalism is any relationship between organisms of different species in which one organism is inhibited or destroyed while the other organism remains unaffected.
Two examples of antibiosis amensalism are provided by the bread mold Penicillium and black walnut trees.
Amensalism is the association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected.
Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
Mutualism describes the ecological interaction between two or more species where each species has a net benefit. Mutualism is a common type of ecological interaction.
parasitism is a symbiotic relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life
