The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
Eliptical (oval shaped), rather than Circular.
These are the characteristics of a plant. Fungi do not photosynthesize.
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Is it for a true or false question?
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