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Biology 11: Test #4 > Stems > Flashcards

Flashcards in Stems Deck (15)
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1

Download diagram

Of pine stem cross-section

2

Reading assignment

Stems

3

Primary growth

The growth in length of a stem, branch, or root

4

Primary meristems

Found at the tips of the roots, stems, and branches

5

Secondary growth

The growth in width of a stem, branch, or root. Due to secondary meristems

6

Secondary meristems

Vascular cambium and cork cambium

7

Dicots and gymnosperms

Secondary growth is possible. Stems are thicker, as layer of xylem grows outwards

8

Growth rings

Represent the sensual growth patterns of xylem

9

Monocots

No secondary growth

10

Wood

Xylem tissue

11

Tracheid cells

Make xylem a tough, fibrous tissue

12

Angiosperm xylem

Contains vessel element cells
These are very tough

13

Hardwoods

Oak, cherry, alder

14

Underground stems

Rhizomes, bulbs, corms, tubers
Eg potato

15

How does water move up a stem?

Review the transpiration-cohesion theory