1. Fill in the missing terms below. In vascular plants, _________________ is the

Question

1. Fill in the missing terms below.

In vascular plants, _________________ is the vascular tissue that transports water, and

_________________ is the vascular tissue that transports water and sugar.

With respect to these two tissues, _________________ transports fluids in one direction only (upwards), using no energy from the plant.

2. Water diffuses into root hairs through three pathways. List two of these pathways.



3. Sugar is moved from sources to sinks. Fill in the blanks below.

An example of a sugar source is:

An example of a sugar sink is:

Explanation / Answer

1)Xylem Phloem Xylem 2)apoplast pathway - water passes through the cell walls and from the wall of one cell to the wall of an adjacent cell symplast pathway - water moves through the cytoplasm and from the cytoplasm of one cell into the cytoplasm of the next cell via the plasmodesmata vacuolar pathway - water passes from the vacuole of one cell into the vacuole of the next cell 3) beet taproots or potato tubers are sugar sinks A sugar source is any part of the plant that is producing or releasing sugar. For example, enormous fruits and vegetables

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