Chapter 5 Seedless Plants Flashcards
What kingdom do plants belong to?
Plante
What type of eukaryotes are seedless plants?
photosynthetic eukaryotes
What chlorophylls do seedless plants use?
a and b
What are the carbohydrates store as in seedless plants?
starch
Seedless plant life cycles feature alternation of ________ (haploid) and ___________ (diploid) generations.
gametophyte and sporophyte
What do seedless plants develop that are protected by parental tissue?
embryos
Surviving phyla of plants grouped in two main categories:
Nontracheophytes
Tracheophytes
What phyla do land plants belong to?
Embryophytes
Land plants arose from a common _________ ancestor
green algal
What does desiccation mean?
Loss of water
What thing did land plants evolve to survive on land?
- Acquisition of a waxy cuticle (retards desiccation)
- Gametangia (protective cases for plant gametes)
- A protected embryo
protective pigments (from UV light) - Thick spore walls
Land plants are ___________: parents nourish their young
Embryophytes
___________ lack a true vascular system
Nontracheophytes
___________ are characterized by a vascular system
Tracheophytes
In Tracheophytes what is water and mineral-conducting vascular system called?
xylem
What are the different types of vascular tissue in land plants?
Xylem and Phloem
In Tracheophytes what is nutrient-conducting vascular system called?
phloem
The ___________ include the liverworts, hornworts, and mosses.
nontracheophytes
What phylum do mosses belong to?
Bryophyta
What phylum do liverworts belong to?
Hepaticophyta
In nontracheophytes, the sporophyte generation is smaller than the gametophyte generation and depends on the _________________________
gametophyte for water and nutrition
Prominent moss or liverwort body is the __________
gametophyte
What are the Nontracheophyte sex organs ?
Archegonium
Antheridium
What does the Nontracheophyte sex organ archegonium house?
The eggs