Exam #3: Green Plants & Land Plants

Question 1

Vascular Tissue

Answer 1

Specialized groups of cells that conduct water and nutrients from one part of the plant body to another

Question 2

Spores

Answer 2

A single haploid cell that divides mitotically and grows into a new organism

Question 3

Seed

Answer 3

Consists of an embryo and a store of nutritive tissue, surrounded by a tough protective layer

Question 4

Gymnosperms

Answer 4

“Naked-seeds”

Question 5

Angiosperms

Answer 5

“Encased-seeds”

Question 6

Cuticle

Answer 6

A watertight barrier that coats the aboveground part of today’s land plants and helps them resist drying

Question 7

Sporopollenin

Answer 7

A wavy substance that encases the spores and pollen of modern land plants and helps them resist drying

Question 8

Sporangia

Answer 8

Spore-producing structures

Question 9

Stoma

Answer 9

Consists of an opening surrounded by specialized guard cells

Question 10

Wood

Answer 10

Extremely strong support material in the stems and branches of some vascular plant species

Question 11

Gametangia

Answer 11

Specialized reproductive organs in fossilized structure of early plants

Question 12

Antheridium

Answer 12

The sperm-producing gametangium

Question 13

Archegonium

Answer 13

The egg-producing gametangium

Question 14

Embryophyta

Answer 14

“Embryo-plants”

Question 15

Alternations of Generation

Answer 15

When individuals exist in either a multicellular haploid or diploid phase

Question 16

Gametophyte

Answer 16

The multicellular haploid stage

Question 17

Sporophyte

Answer 17

The multicellular diploid stage

Question 18

Ovule

Answer 18

Contain a megasporangium with one or more eggs

Question 19

Stamen

Answer 19

Includes a structure called an anther, where microspongion develop

Question 20

Cappel

Answer 20

Contains a protective structure called an ovary, where the ovules are found

Question 21

Endosperm

Answer 21

A triploid nutritive tissue

Question 22

Double Fertilization

Answer 22

Involvement of two sperm nuclei

Question 23

Directed-Pollination Hypothesis

Answer 23

Natural selection has favored flower scents, shapes, and colors that attract particular types of pollinators

Question 24

Fruit

Answer 24

A structure that is derived from the ovary and encloses one or more seeds

Question 25

Adaptive Radiation

Answer 25

When a single lineage produces a large number of descendant species that are adapted to a wide variety of habitats

Question 26

Lichens

Answer 26

Stable associations between green algae or fungi, or between cyanobacteria and fungi, and are often found in terrestrial environments that lack soil

Question 27

Annual

Answer 27

Have a single growing season

Question 28

Perennial

Answer 28

Live for many years