Answer:
independent ecosystem
Explanation:
A tree can be called an independent ecosystem.
That’s because the tree can sustain a life on its own, and can also provide support to other forms of organisms.
Birds can make nest in the tree. Creepers and crawlers can take shade in its trunk and branches.
The tree can have bee hives and ants etc on it. It may produce fruits etc for animals to eat.
And in this way it can act as an independent ecosystem without help of any other living organism.
1. A<span>ccording to the national clearing house of alcohol and drug information (NCADI), most children under the age of 21, </span>who do not participate in drug and alcohol abuse, is virtually certain to never do so.<span>
2. T</span>he average age when youth first try alcohol is 11 years for boys and 13 <span>years for girls. The average age at which Americans begin drinking regularly in 15.9 years old.
3. Nicotine is the addictive chemical found in tobacco. </span>
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Explanation:
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The answer is B. have a nice day
