21. A bluebird and a tree swallow are living in the same territory and are using some of the same resources (feeding on flying insects). These two birds would be displaying what interaction?
A. mutualism B. interspecific competition C. intraspecific competition
D. neutralism E. commensalism
22. Individuals of a species may only reproduce with other individuals of their same species
A. True B. False
23. In a food web an organism may consume prey from more than one trophic level
A. True B. False
24.The IPCC (Intergovernmental Panel on Climate Change) predicts, due to Global climate Change, a future that will include (for some): A)stronger hurricanes B)increased droughts and flooding C)decreased fresh water supplies resulting from disappearing glaciers D)hotter summers E)all of the above
Q21. Ans: Option B : interspecific competition : it is a competition in which induvidual of different species compete for the same resource in an ecosystem.
Q22. Ans: Option A : True : One species is distinguish from another species when, in nature, it is not possible for mating between individuals from each species to produce fertile offspring.
Q23. Ans: Option A : True : Many consumers feed at more than one tropic level for example, Human are primary consumer when they eat plants such as vegitables.
Q24. Ans: Option E : All of the above :
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