A leaf with a higher density of stomata can take up more CO 2 and release more water than a leaf with a lower density of stomata. The stomata found on fossil plants can be a reliable way to measure past carbon dioxide levels. Normally, fossil plants with a high density of stomata indicate carbon dioxide levels and fossil plants with only a few stomata indicate carbon dioxide levels.

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Where can dna be found in a prokaryotic cell

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?