Ch. 29.3—Plant Diversity I: How Plants Colonized Land Flashcards Preview

Biology 113 EXAM 2 > Ch. 29.3—Plant Diversity I: How Plants Colonized Land > Flashcards

Flashcards in Ch. 29.3—Plant Diversity I: How Plants Colonized Land Deck (15)
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1
Q

______ ______ allowed plants to grow tall.

A

-Vascular tissue.

2
Q

Living vascular plants are characterized by all of the following EXCEPT:

A) Life cycles with dominant sporophytes.
B) Life cycles with dominant gametophytes.
C) Vascular tissues called xylem and phloem.
D) Well-developed roots and leaves.

A

B) Life cycles with dominant gametophytes.

3
Q

Vascular plants have two types of vascular tissue: ______ and ______.

A
  • Xylem

- Phloem

4
Q

______: conducts most of the water and minerals and

includes tube-shaped cells called tracheids.

A

-Xylem.

5
Q

Water-conducting cells are strengthened by _____ and

provide structural support

A

-Lignin.

6
Q

______: has cells arranged into tubes that distribute sugars, amino acids, and other organic products.

A

-Phloem.

7
Q

Leaves are categorized by two types: ______ and _______.

A
  • Microphylls.

- Megaphylls.

8
Q

______: leaves with a single vein.

A

-Microphylls.

9
Q

________: leaves with a highly branched vascular system.

A

-Megaphylls.

10
Q

_______: are modified leaves with sporangia.

A

-Sporophylls.

11
Q

_____: are clusters of sporangia on the undersides of sporophylls.

A

-Sori.

12
Q

______: are cone-like structures formed from groups of sporophylls.

A

-Strobili.

13
Q

Most seedless vascular plants are ________, producing one type of spore that develops into a bisexual gametophyte.

A

-Homosporous.

14
Q

All seed plants and some seedless vascular plants are ________.

A

-Heterosporous.

15
Q

Heterosporous species produce ________, which give rise to female gametophytes, and _________, which give rise to malegametophytes

A
  • Megaspores.

- Microspores.