Lab 2

Question 1

woody tissues are

Answer 1

secondary growth

Question 2

woody tissues arise from

Answer 2

lateral meristems

Question 3

What is a tree

Answer 3

woody shoots greater than 10cm diameter and 1.3m above ground

Question 4

What is an example of asexual reproduction in trees?

Answer 4

Root suckers, layering

Question 5

root suckers

Answer 5

new shoots that arise from the roots of existing trees

Question 6

Layering

Answer 6

Snow laden branches contact the ground, develops adventitious roots producing new saplings

Question 7

Terminal bud scar indicates the

Answer 7

-past position of the terminal bud.

Question 8

what is the distance between the current terminal bud and closest bud scale scar?

Answer 8

current years longitudal growth

Question 9

Fascicular cambium produces

Answer 9

secondary growth–> secondary xylem and secondary phloem within vascular bundles

Question 10

interfascicular cambiu produces

Answer 10

secondary growth–> forms from parenchyma cells located between vascular bundles

Question 11

what happens during lateral growth

Answer 11

-vascular bundle increases in size
-bundles are no longer visible
-vascular cambium

Question 12

What happens when bundles are no longer visible?

Answer 12

cambium called vascular cambium

Question 13

in lateral growth, what happens to Older sieve tubes

Answer 13

they get crushed, sieve transport in youngest phloem cells

Question 14

what is secondary xylem

Answer 14

wood

Question 15

cork cambium+ cork+ phelloderm =

Answer 15

periderm

Question 16

Spring - early wood

Answer 16

-moisture and increase temperature
-rapid cell division
larger thin walled xylem

Question 17

coppiced arrangement

Answer 17

several stems arising from single root crown

Question 18

flaring buttresses

Answer 18

provide support to western red cedar

Question 19

individuals less than 5-10m

Answer 19

sapling

Question 20

what is the origianl tree when cloning

Answer 20

ortet

Question 21

what are the new suckers called

Answer 21

ramet

Question 22

members of clone are

Answer 22

genets

Question 23

what do tree rings indicate?

Answer 23

changes in cambial activity

Question 24

when is early wood produced

Answer 24

in spring because of high moisture and temperatures

Question 25

when is late wood produced

Answer 25

in summer because of decreasing temperatures and lower moisture

Question 26

what is early wood

Answer 26

thinner walled xylem called early wood

Question 27

what is late wood

Answer 27

thicker walled xylem

Question 28

Ring porous species

Answer 28

oak ash, early wood xylem are larger than late wood, susceptible to freezing

Question 29

Diffuse porous species

Answer 29

vessels in the early wood slightly larger than those in late wood, more resistant to freezing

Question 30

dendroecology

Answer 30

STUDY OF TREE RINGS

Question 31

what do gymnosperm stems have that dicots do not?

Answer 31

resin ducts, absence of vessels and fibers

Question 32

tracheids

Answer 32

short length, bordered pit pairs, xylem element

Question 33

bordered pits in gymnosperms

Answer 33

facilitate water flow, the bordered pits in gymnosperms are highly efficient