Ch 29/30

Question 1

Charophycean that are ancestors to land plants

Answer 1

Algae

Question 2

Most privatize land plants

Evolved __ mya

Answer 2

Bryophytes

475

Question 3

Ex of nonvascular plant

Answer 3

Hornwort

Question 4

Vascular plants that produce naked seeds

Answer 4

Gymnosperms

Question 5

Plants undergo alternation of generations in which ___

Answer 5

The sporophyte generation alternates with the gametophyte generation

Question 6

Key difference between alternation of generations in plants and sexual reproduction in non plant organisms

Answer 6

In plants the haploid and diploid stages are both multicellular

Question 7

Prevents plants from drying out and protects them from microbes

Answer 7

Cuticle

Question 8

Not a clade of vascular plants

Answer 8

Bryophyte

Question 9

When you see a green leafy true moss you are looking at the

Answer 9

Gametophyte generation

Question 10

How are gametes produced in plants

Answer 10

By mitosis of gametophyte cells

Question 11

Structures that allow plants to readily take up carbon dioxide from the atmosphere

Answer 11

Stomata

Question 12

Gymnosperms and Angiosperms do not have what in common

Answer 12

Ovaries

Question 13

Gymnosperm phyla that thrived during age of dinosaurs and have large cones and fern like leave

Answer 13

Cycadophyta

Question 14

Significant change during Carboniferous and Permian that contributed to succes of gymnosperms

Answer 14

The climate became drier

Question 15

Land plant that has flagellated sperm and a sporophyte dominated life cycle

Answer 15

Fern

Question 16

Which of the following characteristics of plants is absent in their closest living relatives

Answer 16

Alternation of generations

Question 17

Which of the following characterizes eudicots

Answer 17

Two cotyledons. Branched netlike veins. Taproot usually present.

Question 18

Largest phylum of gymnosperms

Answer 18

Coniferophyta

Question 19

Vascular plants with flowers and protected seeds

Answer 19

Anthophyta

Question 20

90% of extant plant species

Answer 20

Angiosperms

Question 21

Not a phylum of nonvascular plants

Answer 21

Lycophyta

Question 22

The first seed plants evolved ___ mya

The closest living relatives to the extinct seed plants are the extant ____

Answer 22

360

Pterophytes

Question 23

Dominant plants during the Carboniferous and their death formed vast coal deposits that humans utilize today

Answer 23

Seedless vascular plants

Question 24

Multicellular gametangia

Answer 24

Enclose and protect egg cells

Question 25

A fern is a

Answer 25

Seedless vascular plant