In any habitat, a keystone species is one that has a major impact on that ecosystem. If that creature were removed, the changes would be nearly immediate and extremely noticeable. Both predators and prey can be keystone species, and are key to maintaining ecological balance.
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Answer:
Viruses do not belong in any kingdom, for they are unique organisms Viruses also lack organelles, cannot respire, and cannot conduct metabolic functions. Bacteria fall under a Domain, perform metabolic functions, and have DNA, just like viruses do.
Explanation:
Viruses & Bacteria have DNA, Viruses do not have organelles or ability to perform metabolic functions.
Answer:Digestive and muscular systems would be working together to chew food and work it down to the stomach to be digested. The digestive system and circulatory circulatory system would be working together to break food down and move nutrients to cells. The nervous system decides what to eat and when to chew.
Explanation:
Answer:
1)Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest.
Explanation:
2) Both the speed and direction of the boat will change due to the wave passing underneath it.
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