Adenine binds with Thymine
Adequate supply of food
absence of predators
Plant cells have cell walls and animal cells do not because the plant cell needs it for its activities.
I would say that this would be 2. Breaks down existing landforms to create new ones
Assuming the graph that shows plant groups B and C have a lower growth rate than group A, this shows that every plants needs a certian amount of sunlight to grow. Since they get their energy from the sun, it is the most crucial to a plants survival. If plants dont get the energy they need to live, as producers, primary consumers dont get get energy from producers. If primary consumer cant get energy, neither can secondary consumer and so forth.