Unit 2 Exam Flashcards
(41 cards)
What are Bryophytes?
Non vascular seedless plants
What are three bryophytes?
Hornworts
Liverworts
Mosses
What are Tracheophytes?
Vascular plants
Which Tracheophytes are seedless?
Lycophytes
Ferns
What tracheophytes are seeded?
Gymnosperms
Angiosperms
What are the 4 types of gymnosperms?
Cycadophyta
Gnetophyta
Ginkgophyta
Coniferophyta
What are the two angiosperms?
Monocots
Dicots
What is the alteration of generations?
Plant life moving from sporophyte to gametophyte generations
Breakdown sporophyte generation
Begins with fertilization and ends with meiosis
Produces spores through meiosis
Sporophyte is diploid 2N
Breakdown the gametophyte generation
Begins with meiosis and ends with fertilization
Produces gametes through mitosis
Gametophyte is haploid N
What is the dominant generation of bryophytes?
Gametophyte generation
What is the dominant generation of seedless vascular plants?
Sporophyte generation
What is the dominant generation of seed plants?
Sporophyte generation
Function of Archegonia in mosses?
Produce female gamete, egg/ovum
Function of antheridia in moss?
Produce male gamete, sperm
Function of moss cycle?
Spores are produced here
What are ferns restricted to?
Moist environment due to sperm are flagellated
Know the life cycle of a fern.
Look at it
What is the dominant generation of the seed plants
Sporophyte
Cycadophytes
Palm like
Gingkophytes
1 specie- maidenhair
Gnetophytes
Shrubs, tress and vines
Coniferophyta
Pines, hemlocks, spruces
Pines
Know life cycle and difference between male and female cone