Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? . a. one species preys on the other.. b. the relationship is mutually beneficial.. c. they share the same niche.. d. one species benefits, while the other is neither nor harmed..

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water

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Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture