Moss Life Cycle Flashcards

1
Q

Archegonia and Artherida are

A

monoecious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Monoecious means …

A

both sexes are found in the same plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Division Anthocerophyta organism

A

hornworts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how many species are in Division Anthocerophyta?

A

100 species

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

hornworts have a long…

A

horn like sporangia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

a flat thallus is called

A

gametophyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 characteristics that distinguish the liverworts and mosses

A

1.) cells contain a single large, platelike chloroplast
2. hornworts do not have a stalk and is green and grow from the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

hornworts have a symbolic relationship with

A

cyanobacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

hornworts and cyanobacteria because they are going to…

A

fix nitrogen to make useable by their host plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

gameotrophs have pores and cavities that are filled with

A

mucilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In mucilage, cyanobacteria converts…

A

nitrogen gas into a form of nitrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Division Hepatrophyta organism

A

liverworts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how many species are in liverworts and what color are they mostly?

A

9,000 and green

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Thallus of liverworts

A

gametophytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Division Hepatophyta reproduction is… and what holds them?

A

asexual and gemmae cups that hold gemmae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

phylids

A

leaf like structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

caulids

A

stem like structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Vascular plants such as

A

seedless vascular plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

gymnosperms are

A

no flowers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

angiosperms are

A

the most advanced specification of plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

vascular plants contain 2 groups which are

A

lycopodiophyta and monilophyta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Vascular systems are

A

tissues that are specialized for transportation of water and any materials from one part of the plants to another

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

the two main structures of vascular system

A

xylem and phloem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

xylem

A

conduct water and minerals from soil using the roots to the top of the plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
phloem
conduct the products of photosynthesis from the production sites to the other sites
26
seedless vascular plants have
true roots, cuticle, and stomata in leaves
27
seedless vascular plants are characterized by having
lignin
28
lignin is
an organic polymer
29
lignin is found in
cell wall and provide structual support
30
vascular plants develop branching ____ generation
independent
31
vascular plants allow more
spore production and complex growth patterns
32
microphyllas
came about from sporangia
33
megaphylls
arose from a flat portion of branching system
34
Heterospory produces
2 types of species
35
2 types of species in heterospory
1. large megaspores (female) 2. small microspores (male)
36
male or female: magagametophyte
female
37
male or female: microgametophyte
male
38
most vascular plants are
heterospores
39
homospory produces
one type of spore
40
what is the earliest vascular plant?
homospory
41
Lycophyta organism
club mosses
42
sphenophyta organism
horsetails
43
psilophyta organism
whisk ferns
44
pterophyta organism
ferns
45
what is the earliest group of seedless vascular plants?
lycophyta
46
what structure does lycophyta have?
leaf-like
47
what division dominated the landscape in the carbonferous period?
lycophyta
48
where does lycophyta grow?
into long trees and formed large forest
49
what kind of roots does lycophyta have?
true branching roots
50
lycophyta has ___ in ___-___ clusters (___)
sporangia in club-like clusters (strobili)
51
sporophyll
leaf that bears sporangia (spores)
52
equisetum is the only extant species of what division?
Sphenophyta
53
horsetail's cell wall contains...
silica (rough texture)
54
where is Sphenophyta found?
in damp environments
55
whisk ferns had how many roots and leaves?
none of either
56
why does psilophyta have no leaves and no roots?
due to evolutionary reduction by a process of natural selection
57
photosynthesis is horsetails takes place in
the green stem
58
horsetail grows a form of synthetic relationship through
rhizomes
59
rhizomes are stems that
grow underground horizontally
60
rhyzoids grow underground
vertically underground
61
ferns are in what division?
Pterophyta
62
Pterophyta require what for reproduction
water or moist envronments
63
ferns are mostly...
terrestial
64
the leafy part of the fern is called?
sporophyte
65
how long can the sporophyte live for?
hundreds of years
66
ferns have ___ true ___
fonds true leaves
67
fiddlehead
curled form of a young frond
68
where is sori found?
on the under surface of the leave