CH. 11 Plants

Question 1

cellulose

Answer 1

organic compound made of long chains of glucose molecules, forms the rigid cell walls of plants

Question 2

cuticle

Answer 2

waxy, protective layer covering the stems, leaves, and flowers of some lands plants, slows the evaporation of water

Question 3

vascular plant

Answer 3

plant with vascular tissue, a “pipeline” that moves water, food, and dissolved substances to cells throughout the plant

Question 4

nonvascular plant

Answer 4

plant lacking vascular tissue and that absorbs water and other dissolved substances directly through its cell walls

Question 5

rhizoid

Answer 5

threadlike roots that are only a few cells in length and that anchor liverworts and mosses in place

Question 6

pioneer species

Answer 6

first plants to grow in new or disturbed environments and that change environmental conditions so that other plant species can grow there

Question 7

xylem

Answer 7

vascular plant tissue made up of tubular vessels that transport water and dissolved substances up from the roots throughout the plant

Question 8

phloem

Answer 8

vascular plant tissue made up of tubular cells that transport food from where it is made to other parts of the plant where it is used or stored

Question 9

cambium

Answer 9

vascular plant tissue that produces new xylem and phloem cells

Question 10

stomata

Answer 10

small pores in the leaf surfaces surrounded by guard cells, allow carbon dioxide, oxygen, and water to enter and leave a leaf

Question 11

guard cell

Answer 11

in a plant leaf, the cells that surround the stomata and that open and close them

Question 12

gymnosperm

Answer 12

vascular plants that produce seeds on the surface of the female reproductive structures, do not have flowers, and generally have needlelike or scalelike leaves

Question 13

angiosperm

Answer 13

vascular plants that flower, have their seeds contained in a fruit, and are the most common form of plant life on Earth

Question 14

monocot

Answer 14

class of angiosperm that has one seed leaf inside its seeds, vascular tissues arranged as bundles scattered throughout the stem, and flower parts in multiples of three

Question 15

dicot

Answer 15

class of angiosperm that has two seed leaves inside its seeds, vascular bundles that occur in rings, and flower parts in multiples of four or five