Answer:
vizioner conter nu poltvinh
Explanation:
grandes comer ler coltrantes
What are your options?
Anyways, I would say evolution
The answer is reactive; active. Although a basic feature of operant conditioning is support or reinforcement, classical conditioning relies more on link between stimuli and responses which makes it reactive. A second difference is that much of operant conditioning is based on voluntary and active behavior, while classical conditioning often comprises involuntary and reactive reflexive behavior.
To prevent too much water from getting into the leaves
Guard cells are the only epidermal cells to contain chloroplasts. ... However, in plants that grow in very hot or very cold conditions, the epidermis may be several layers thick to protect against excessive water loss from transpiration. A waxy layer known as the cuticle covers the leaves of all plant species.