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Definitions
Anatomy
Life Cycles
Reproduction
Extra
100
Define Bryophyte.
What is small, herbaceous non vascular land plants.
100
True or False Bryophytes have no roots.
True They have Rhizoids.
100
In the life cycle of a fern there are 2 stages. What is the name when it is in a haploid multicellular stage and what is the name when it is in a diploid multicellular stage.
What is Gametophyte and Sporophyte.
100
Bryophytes and Seedless Vascular Plants do not have seeds, instead they have _______
What is Spores
100
True or False Bryophytes were the first land plants.
True
200
Define Antheridium.
What is The male reproductive organ in ferns and bryophytes.
200
What is a Gametangia?
What is A gamete-producing organ.
200
In seedless vascular plants ________ are more dominant and have longer lifespans.
What is In seedless vascular plants sporophytes are more dominant and has a longer lifespan.
200
How does the sperm from the Antheridium get to the Archegonium? Name at least 2 things that would help the sperm move.
What is Water, Wind and propelled by Flagella.
200
Which plants formed the first forests?
What is Seedless Vascular Plants around 350 million years ago.
300
Define Prothallus.
What is The Gametophyte stage of a fern.
300
True or False Sporophytes are formed on both male and female gametophytes.
False Sporophytes are formed from a zygote, only female gametophytes can go on to form sporophytes.
300
True or False Bryophytes grow in closely packed mats on ice, trees and rocks.
What is False Bryophytes grow in closely packed mats on soil, trees and rocks.
300
Where does meiosis take place in the the lifecycle of a fern.
What is Sori
300
Bryophytes evolved from ______.
What is Algae
400
Fix this sentance. (3 mistakes) The Bryophyta(Liverworts) are typically short plants that grow closely bundled up. They reproduce through seeds stored in a capsule when the plant grows to maturity.
What is The Bryophyta(MOSSES) are typically TALL plants that grow closely bundled up. They reproduce through SPORES stored in a capsule when the plant grows to maturity.
400
Explain what a Sorus(pl. Sori) is.
A sorus is a cluster of sporangia (structures producing and containing spores)
400
What is the role of the capsule in the life cycle of a bryophyte.
What is to create spores through meiosis, and to release them.
400
Moss can also reproduce asexually through _________.
What is Fragmentation
400
Describe one habitat condition that is required for survival of Ferns.
What is Temperature, Moisture.
500
Define Seta.
What is The stalk of the sporophyte connects the capsule to the gametophyte.
500
Which group of bryophytes consist of some species that grow in large numbers as tiny weeds in garden. A. Liverworts B. Hornworts C. Mosses
What is B. Hornworts
500
Explain Alternation of Generations
What is The alternation in a plant’s life cycle between a sexual reproductive form (gametophyte) and an asexual reproductive form (sporophyte).
500
True or False The prothallus of a fern can only produce a reproductive organ that is either male or female.
False The Prothallus produces both antheridia and archegonia.
500
Fill in the blank As flowering plants started appearing on Earth and growing taller than ferns, it is believed that ferns had a chromosome called________ which helps them survive in low light.
What is Neochrome.