Decline In The Yellow Cedar Trees

Satisfactory Essays

The reading passage presents three hypothesis to explain the decline in the yellow cedar trees in North America. However, the lecturer doesn’t agree with the author . She puts forward her points to defend her argument.
To begin with, the text asserts that the insect parasite specifically cedar bark beetles are the one of the reasons. According the author the betel larvae’s eat the bark and make trees weak. In contrary, the professor claims that there is no evidence of the insects on strong living trees; He also point out that the finding of the insects are found on the dead trees or about to die. Also, the professor argues that the poison content in the leaves of cedar tree is enough to keep the insect parasites away from it. This directly

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