BRYOPHYTES Flashcards

1
Q

What are bryophytes?

A
  • Earliest members of
    land plants
  • High humidity/access
    to water important
  • Mosses common in
    forests, edge of fields
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does a sporophyte do?

A
  • Bryophyte sporophyte
    stage grows from the
    gametophyte
  • Sporophytes receive
    water and nutrients from
    the gametophyte
  • Sporangium is the organ
    producing meiospores
    for wind dispersal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the three types of bryophytes?

A

-Liverworts
-Hornwort
-Mosses

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

Characteristics of liverworts

A

Phylum Hepatophyta, include the
most primitive plants and range from forms
with dichotomously branching thalli (ca 1000
spp) to leafy moss-like forms (ca 8000 spp

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

Characteristics of hornwort

A

Phylum Anthoceratophyta, are a
small group ( ca 500 spp) with multilobed
flattened thalli and elongated narrow sporangia
(shaped like horns of some antelope

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

Characteristics of mosses

A

Phylum Bryophyta in the narrow
sense, include a large number of small leafy
plants (ca 14,500 spp) producing sporangia with
a central sterile column. Mosses differ greatly in
colour, stem and leaf traits, habit orientation and
habitat preferences

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