Which of the following studies would a community ecologist undertake to learn about competitive interactions? i) selectivity of nest sites among cavity-nesting songbirds ii) the grass species preferred by grazing pronghorn antelope and bison iii) stomach analysis of brown trout and brook trout in streams where they coexist

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: