Atiny insect called the hemlock woolly adelgid is threatening the sustainability of the eastern hemlock in the united states. these insects are native to japan and were introduced to the united states through vehicles carrying wood boxes. the invasive species in this scenario was introduced to the united states through which pathway? a. accidental escape b. intentional release c. climatic conditions d. accidental transport

they travel D by accidental transport

D. accidental transport

Explanation:

Accidental transport of invasive species refers to their unintentional introduction with some other objects or living things. According to the given information,  hemlock woolly adelgid was introduced in United States through vehicles carrying wood boxes. Here, vehicles were not contaminated with the insects but the boxes were.  Hence, it is an example of accidental transport.

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a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.