What macromolecules are capable of self-replication? Proteins
RNA and DNA
Polysaccharides
Fats and triglycerides

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Which of the following is a common danger of commercial fishing?