Ferns and First Vascular Plants

Question 1

Why are members of the phylum Tracheophyta “true” land plants?

Answer 1

Because they have evolved themselves from DEPENDENCE on WET environments

Question 2

What are two types of VASCULAR TISSUE?

Answer 2

1. Xylem

2. Phloem

Question 3

What do Xylem do?

Answer 3

moves water from roots to all parts of the plant

Question 4

What do phloem do?

Answer 4

transport nutrients and the products of photosynthesis

Question 5

What are TRACHEID

Answer 5

cells in xylem that have THICK, STRONG walls that strengthen stems and help plants stand up

Question 6

What do True Roots have?

Answer 6

VASCULAR TISSUES gathered in a CENTRAL area of the root that is called the VASCULAR CYLINDER

Question 7

What are True leaves and what are 2 things they contain?

Answer 7

They are PHOTOSYNTHETIC

contain:

1. Veins
2. Cuticle

Question 8

What are veins and what do they do?

Answer 8

areas in leaves containing one or more bundles of vascular tissue

Question 9

What are cuticle and what do they do?

Answer 9

waxy covering that helps prevent water loss by evaporation

Question 10

What are mosses and horsetails the ONLY living descendants of?

what did they do?

Answer 10

Large and ancient groups of plants

first of these primitive plants appeared more than 400 million years ago

1. some grew into huge trees up to 40m tall
2. some fossilized into huge beds of COAL