You are given a sentence and your task is to generate another sentence that supports the given input.

Q: Conifers -- such as pines, hemlocks, redwoods, spruces and firs -- are the most common types of gymnosperms with more than 500 species worldwide.

A: Conifers are the most prevalent type of gymnosperms.
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Q: Viral vectors are a tool commonly used by molecular biologists to deliver genetic material into cells.

A: A viral vector is the name for a tool commonly used by molecular biologists to place genetic material into cells.
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Q: organ A structure composed of different tissues, such as root, stem, leaf, or reproductive (e.g., flower) parts.

A:
A(n) organ is a structure that is composed of one or more types of tissues.
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