Chapter 44

Biology: Life on Earth with Physiology · 13 exercises

Problem 1

What are the main functions of roots, stems, and leaves?

3 step solution

Problem 2

What features distinguish monocots from dicots?

4 step solution

Problem 3

Distinguish between primary growth and secondary growth, and describe the cell types involved in each.

4 step solution

Problem 4

Distinguish between meristem cells and differentiated cells.

5 step solution

Problem 6

Diagram the internal structure of a dicot stem after primary growth, labeling and describing the function of the epidermis, cortex, pith, xylem, and phloem. How does the structure change after secondary growth?

7 step solution

Problem 7

Describe xylem and phloem, including their cell types and the solutions they carry.

5 step solution

Problem 8

What types of cells form root hairs? What is the function of root hairs?

3 step solution

Problem 9

Explain why certain plants produce specialized leaves.

4 step solution

Problem 10

Describe the daily cycle of opening and closing of stomata, and their response to dehydration.

3 step solution

Problem 11

What are extracellular and intracellular pathways in plants?

4 step solution

Problem 12

What kinds of symbiotic relationships help plants acquire nutrients?

5 step solution

Problem 13

Describe how sugars are moved in phloem and explain why phloem fluid may move up or down the plant.

6 step solution

Problem 14

Describe the surface structures of a stem after primary growth. Where are buds located, and what are their functions?

3 step solution

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