Form and Function B.7 Transport (id: 5a1130e36)

本题目来源于试卷: Form and Function B.7 Transport，类别为 IB生物学

[填空题]
This image shows an aphid with its za30/tl ce0vsz zr btv(a/zme4ra 7+8st/ e9x .5nuynhbhsfe:bjb7:. oylet inserted into a plant. Aphids have been used t .sb./ 5b: yeo:unfh7b 9hxnejo study transport in plants.

1.Name the tissue that aphids insert their stylets into.
This tissue is   .
2.Outline how scientists use aphids to study the substance transported in this tissue.

3.Explain the differences in the contents and rate of flow of phloem sap at sources and sinks.

参考答案: phloem|Phloem


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