Types of organisms that are photosynthetic primary producers are plants and what else ?

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

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What’s the student’s scientific question