Lab 12: Plant Structure

Question 0

Bear naked seeds which are exposed on cones.

Answer 0

Gymnosperm

Question 1

Flowering plants that produce seeds inside a protective covering called a fruit wall or pericarp.

Answer 1

Angiosperm

Question 2

Fruit wall.

Answer 2

Pericarp

Question 3

Plants are composed of 3 vegetative organs:

Answer 3

Roots, stems, and leaves

Question 4

Both angiosperms and gymnosperms use __________ __________ to transport water and nutrients between roots and shoots.

Answer 4

Vascular tissue

Question 5

Transports water and dissolved minerals from the roots vertically to the shoots.

Answer 5

Xylem

Question 6

Transports food made in leaves to the roots and parts of the shoot system.

Answer 6

Phloem

Question 7

Two major categories of angiosperms are:

Answer 7

Monocots and Eudicots

Question 8

The two smaller lineages that are closely related to the Eudicots:

Answer 8

Basal angiosperms and Magnoliids

Question 9

All plant tissues are developed by embryonic cells called:

Answer 9

Meristems

Question 10

Small clumps of cells located in the growing tips of stems and roots and are responsible for all elongation/vertical growth.

Answer 10

Apical meristems

Question 11

Apical meristems occur in:

Answer 11

The tips of roots (RAM) and the buds of shoots (SAM)

Question 12

The activity from RAM and SAM is know as:

Answer 12

Primary (1^O) growth

Question 13

Cylinders of dividing cells that extend along the ke gtgs if roots and shoots except at the tips.

Answer 13

Lateral meristems

Question 14

Lateral meristems are made up of two separate layers of tissues:

Answer 14

Inner vascular cambium and outer cork cambium

Question 15

The activity from lateral meristems is called:

Answer 15

Secondary (2^O) growth

Question 16

The two separate layers of tissues associated with lateral meristems are responsible for:

Answer 16

Plant girth growth or widening

Question 17

Most of the tissue produced during second growth is __________, more commonly called what?

Answer 17

2^O, wood

Question 18

Cork cells produce a waxy material, __________, which protects the plant from physical damage and pathogens, as well as protecting plants against excessive water loss.

Answer 18

Suberin

Question 19

The layers of cork and cork cambium that help protect the plant make up the tissue known as:

Answer 19

Periderm

Question 20

Raised opening on the periderm called __________ help in gas exchange.

Answer 20

Lenticels