Explain how this experiment demonstrates that no two species can occupy the same niche

What macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?