It Is this turgor pressure that holds the cell firm and provides the characteristics of of plant structures such as leaves. When a plant has been without water for a very long time the central vacuole lose water which results in the cells losing its shape, and the whole leaf wilts.
A: Scientific knowledge is based on empirical evidence, and is appropriate for understanding the natural world, but it provides only a limited understanding of the supernatural, aesthetic, or other ways of knowing, such as art, philosophy, orreligion<span>.</span>
A phobia is an intense fear of something that, in reality, poses little or no actual danger. Common phobias and fears include closed-in places, heights, highway driving, flying insects, snakes, and needles. However, you can develop phobias of virtually anything.
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A Phobia is an irrational fear of something that's unlikely to cause harm. The word itself comes from the Greek word“phobos,” which means “fear” or “horror.” Hydrophobia, for example, literally translates to fear of water. When someone has a phobia, they experience intense fear of a certain object or situation.
Answer:
A multi-component effect
Explanation:
In natural selection the organism is at the commiseration of the environment. This means that there are a certain amount of resources that are available for this individual. So, competition for food, a second type of pressure is in play. Competitions will cause the inevitable food shortage. Because of this animals may become sick and diseased and may not be able to overcome illnesses. Finally, predation becomes a factor on any population that is not on top of the food chain. Only the individuals of a population that is able to survive all these pressures will pass along the surviving traits to their offspring.
, and some die because of factors such as predation, food shortage or disease. ... Predation, competition and disease are examples of selection pressures.