Vascular Plants | Vocab and Study

Question 1

What are the three main components of the Vascular system of plants

Answer 1

Roots, stems, and leaves

Question 2

List the 2 reasons as to why Vascular plants are successful?

Answer 2

1) They have waxy cuticles

2) Stomata

Question 3

Define a cuticle

Answer 3

A layer on the surface of a leaf that prevents waters loss

Question 4

Define A stomata

Answer 4

Tiny holes on the underside of a leaf that is involved in the exchange of gasses and water

Question 5

What do vascular plants have that non vasculars don’t?

Answer 5

A vascular system (leaves, stems, and roots)

Question 6

Define a Xylem

Answer 6

They transport water and minerals from the roots to the leaves

Question 7

What is the flow of a Xylem

Answer 7

Upwards only

Question 8

Define Lignin and it’s purpose

Answer 8

It’s used to strengthen the cell wall of the Xylem

Question 9

Define a Phloem

Answer 9

it’s used for the flow of water and minerals through the plant

Question 10

What is the flow is a Phloem

Answer 10

Bidirectional

Question 11

What surrounds the Xylem

Answer 11

The Phloem

Question 12

Which generation is more dominant in vasuclar plants?

Answer 12

The Sporophyte

Question 13

Why are vascualr plants larger and taller than non vascualr plants

Answer 13

The Sporophyte generaiton

Question 14

What are the earliest vascular plants

Answer 14

Seedless vascular plants

Question 15

For seedless Vasc plants, which period were they dominant

Answer 15

During the Carboniferous Period

Question 16

What are the 4 main groups of Seedless Vasc Plants?

Answer 16

1) Club Mosses
2) Horsetails
3) Whisk Ferns
4) Ferns

Question 17

How are seedless Vasc plants related to both bryophytes and seeded vasc plants?

Answer 17

They are somewhere in the middle

Question 18

What to seedless plants produce?

Answer 18

Spores

Question 19

What are the 3 pros for seedless vasc plants?

Answer 19

1) They are cheap and small
2) They require low resource investment from the parent plant
3) Produce spores in v high numbers

Question 20

What are the 3 cons for seedless Vasc plants?

Answer 20

1) Wasteful and most spores are unsuccessful
2) Must land on good soil
3) Low resources to support the growing gametophyte

Question 21

Which seedless plant was the earliest vasc plant?

Answer 21

Club Mosses

Question 22

Define Rhizone

Answer 22

Continously growing horizontal underground stem which puts out lateral shoots

Question 23

Which seedless plant has reamined unchanged for 350 million years

Answer 23

Horsetails

Question 24

Define elators

Answer 24

Will coil around spores and unravel to increase the chances of a spores success during dry enviroment s

Question 25

Which seedless vasc plants have elators

Answer 25

Horsetails

Question 26

Which is the simples of the seedless vasc plants

Answer 26

Whisk Ferns

Question 27

Which is the largest group of seedless vasc plants

Answer 27

Ferns

Question 28

In ferns, what happens to the Sprophyte

Answer 28

They separate from the Gametophyte

Question 29

Define ferns

Answer 29

Fronds with sporangia on the underside

Question 30

Define sori

Answer 30

Clusters of Sporangia

Question 31

Another word for Seeded Vasc Plants

Answer 31

Gynosperms

Question 32

What are Gymnosperms reffered to?

Answer 32

The naked seed plants

Question 33

Do Gynmosperms produce flowers or fruits?

Answer 33

No

Question 34

What period did seeded vasc plant occur?

Answer 34

During the Carboniferous period

Question 35

What era were seeded vasc plants domninant?

Answer 35

The Mesozoic Era

Question 36

What does the seed contain in a seeded vasc plant

Answer 36

It contains the embryo sporophyte and seed protection

Question 37

What do pollen grains contain

Answer 37

The entire male gametophyte including the sperm

Question 38

What are the 4 types of Seeded Vascular Plants

Answer 38

1) Cycads 2) Ginkgos 3) Gnetophytes 4) Conifers

Question 39

What is an example of a Cycad?

Answer 39

Short, palm tree

Question 40

For Cycads how many cones do they produce

Answer 40

They produce 1 cone per tree

Question 41

Define Dioecious:

Answer 41

Male and female structures on different plants

Question 42

Define Monecious

Answer 42

Male and female structures on the same plants

Question 43

What seeded vasc plant has remained unchanged

Answer 43

The Ginkgos

Question 44

How many generations are in the Gnetophytes

Answer 44

3

Question 45

For conifers what are their tough, needle like leaves used for

Answer 45

Water conservation

Question 46

Why are conifers important

Answer 46

They are an important economic resource for wood

Question 47

For conifers which is bigger the male or female?

Answer 47

female

Question 48

For conifers which is smaller the male or female?

Answer 48

male