What type of bond is formed between the hydroxyl group of one nucleotide and the phosphate group of an adjacent nucleotide

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

What is thought to have caused the mass extinction at the end of the cretaceous period?

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature