What primitive form did nucleic acids take?

- polypeptides

- deoxyribonucleic acid

- ribonucleic acid

Which organisms obtain energy from dead or decaying matter? Check all that apply. groundhogs daisies earthworms bacteria humans phytoplankton

Is the structure which is not part of the process of phagocytosis in a ciliate?

Which structure can secrete a substance into the environment surrounding the body?

What happens if there is not enough ATP available

How are the seven levels of Linnaeus' classification system organized?

What it a dilute solution

Is Chitin a Carbohydrate or a Protein?

You want to compare the evolutionary relationships between four species of birds, which of the following would be most useful? Question 1 options: A) nesting behaviors B) DNA sequences C) color of feathers D) patterns of migration

Two hypotheses about how life supporting molecules appeared on earth

Dna strands serve as which of the following during dna synthesis