<span>Alfred Wegener proposed the theory of continental drift at the beginning of the 20th century. His idea was that the Earth's continents were once joined together, but gradually moved apart over millions of years.</span>
<u>Answer:</u>
<em>The interaction the cattle egret exhibits with the buffalo is commensalism.
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<u>Explanation:</u>
<em>In the type of interaction called commensalism</em> between two organisms, one organism benefits from the other while the other <em>organism is neither benefited nor harmed. </em>
When the buffalo moves around a field grazing it disturbs the insects and they fly away from the buffalo and the cattle egret which keeps following the <em>grazing buffalo eats the insects.
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The buffalo doesn’t benefit from this type of interaction. <em>A commensalism relation is a positive-neutral kind of relation.
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Answer: the chemical messages will impact the cells resulting in change to gene expression
Explanation:
