Consider this northern site of primary succession following the retreat of a glacier. Plant species at location B. would eventua
lly change to the species seen at location C. because of what factor? A) being shaded out by taller species B) competition for water resources C) competition for root space D) pathogens and disease
The answer is A, being shaded out by taller trees.
Explanation:
Low growing shrubs and small trees eventually give way to larger tree species. Notice there is little under story (lower level) because of light restrictions.
petrified fossils -> date sedimentary rocks, this will be more precise but Carbon 24 dating would probably a very reliable way of gathering information too
Photosynthesis in plants. Plants make food through the process of photosynthesis. They get the energy from the Sun. Plants store sugars as their food. That is an energy-rich compound.