Phylogenetic trees a. are a threatened species in costa rica's monteverde national park b. trace the flow of evolutionary change and diversification for a particular group of organisms c. have branches each of which represents an extinction event d. predict future evolutionary trends e. are usually at odds with fossil evidence

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

What is the difference between bacterial infections and viral infections?

Were you able to observe the nucleolus in any of the cells if so which ones