Assignment task: The authors argued that lobed/toothed margins allow temperate deciduous trees to solve an evolutionary dilemma. What is that dilemma?
Question options: Photosynthesis in young leaves allows them to exploit the spring light but it also physically constrains the growth in the size of leaves. Leaves beginning photosynthesis early are more fragile. The earlier a leaf begins photosynthesis, the younger it will die. Leaves beginning photosynthesis early are more vulnerable to herbivores.