Which list contains only abiotic conditions that might be found in a pond ecosystem?

Temperature of the water, dissolved oxygen in the water, dissolved minerals in the water. Bacteria, dissolved minerals in the water, temperature of the water. Dissolved oxygen in the water, fish populations, insect populations.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

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

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