biology cat 5

Match it! Select the correct answer from the pull down...Good luck!

relationship in which one organism benefits at expense (meaning harming) the other organism

a community interacting with its environment through a one-way flow of energy and the cycling of materials

relationship in which both organisms benefit

relationship between 2 organisms in which one benefits and the other is neither hurt nor helped

which of the following is NOT recycled in the environment?

an ecological interaction between two organisms

relationship between 2 organisms in which one kills and eats another organism

position that organism(s) occupy in a food web, which is defined by its relationship to the primary energy source