What factors influence naturally occurring fluctuations in the levels of dissolved oxygen?

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

What is the most abundant vertebrate on earth?

Nucleic acids offer variability because they contain alternate forms of genes called .