What is the function of the phloem? Select one: a. Phloem carries nitrogenous wastes to the roots where the waste leaves the plant. b. Phloem carries water and minerals to the rest of the plant from the roots. c. Phloem carries water from the leaves to the rest of the plant. d.
Phloem transports sugar down from the leaves to the rest of the plant. How do the cells of the xylem compare to the cells of the phloem? Select one: a. The xylem cells have thin cell walls, whereas the phloem cells have thick cell walls. b. The xylem cells are large, whereas the phloem cells are small. c. The xylem cells have chloroplasts, whereas the phloem cells do not have chloroplasts. d.
The xylem cells are square, whereas the phloem cells are round. From which part of the stem tissue is wood made? Select one: a. spongy mesophyll b. the cuticle c. old layers of xylem and phloem d. central parenchyma Flat leaves lose water to the environment more readily than pine needles do.
Which statement describes a structural characteristic of flat leaves that accounts for this difference? Select one: a. Flat leaves have a thicker coating of waterproof wax. b. Flat leaves have more surface area. c. Flat leaves have a thicker epidermis. d. The stomata of flat leaves are sunken into the leaf.
What is the function of the phloem? Select one: a. Phloem carries nitrogenous wastes to the roots where the waste leaves the plant. b. Phloem carries water and minerals to the rest of the plant from the roots. c. Phloem carries water from the leaves to the rest of the plant. d.
Phloem transports sugar down from the leaves to the rest of the plant. How do the cells of the xylem compare to the cells of the phloem? Select one: a. The xylem cells have thin cell walls, whereas the phloem cells have thick cell walls. b. The xylem cells are large, whereas the phloem cells are small. c. The xylem cells have chloroplasts, whereas the phloem cells do not have chloroplasts. d.
The xylem cells are square, whereas the phloem cells are round. From which part of the stem tissue is wood made? Select one: a. spongy mesophyll b. the cuticle c. old layers of xylem and phloem d. central parenchyma Flat leaves lose water to the environment more readily than pine needles do.
Which statement describes a structural characteristic of flat leaves that accounts for this difference? Select one: a. Flat leaves have a thicker coating of waterproof wax. b. Flat leaves have more surface area. c. Flat leaves have a thicker epidermis. d. The stomata of flat leaves are sunken into the leaf.
Related textbook solutions
Related questions
1. In order for blood to always flow unidirectionally through a closed circulatory system, the ________.
a. capillaries must have a thick endothelium
b. arteries must be elastic
c.pressure in all vessels must be equal
d.blood vessels farthest from the heart must have valves
2. Which one of the following does not correctly match the form with its function?
| a. roots: water and minerals in the soil are absorbed | ||||
| b. phloem sap: products of photosynthesis are transported from roots to shoots | ||||
| c. leaves: sugars are produced by photosynthesis | ||||
| d. xylem sap: water and minerals are transported from shoots to roots 3. If you place flaccid plant cells in pure water, water ________ into cell because it has ________.
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