General term: Behavior
Specific to plants: phototropism (leaves growing towards the sun), hydrotropism (roots growing to or away from moisture), geotropism (plants growing towards the center of the earth)
Answer:
B
Explanation:
If a creature doesn't suit to its surrounding enviroment，it will die before it can reproduce. Survival of the fittest
Answer:
organ level
Explanation: because multiple types of tissues are working together.
It assists in digestion by secreting enzymes that break down fats, and also serves as a storage area for fats and carbohydrates. The liver also is important in the destruction of old blood cells and in maintaining proper blood chemistry, as well as playing arole in nitrogen (waste) excretion.
