12 Jun BIO 181 Why are non-vascular plants often restricted to moist
Question
1-From the choices below,select all applicable answers to the following question: Why are non-vascular plants often restricted to moist habitats?
Motile sperm require water to swim to nearby eggs
Dependence of the gametophyte generation on the sporophyte generation
Lack of true vascular tissue.
Lack of a cuticle
2-The following image shows a magnified view of the underside of a fern frond (leaf). The dark colored “spots” on the bottom of the frond are special reproductive structures known as _____ . These structures are clusters of ______ that produce ________ by _________.
Rhizoids, roots, spores, meiosis
Sori, sporangia, spores, meiosis
Sporangia, spores, sperm/eggs, mitosis
Sori, gametophytes, spores, meiosis
3-Heterospory differs from Homospory by having ____ types of spores. The male spores are produced in the _____ by mitosis while the female spores are produced in the _______. In lab you will see an example of one type of heterosporous plant, _________.
1, Antheridium, Oogonium, Lycopodium
2, Antheridium, Archegonium, Selaginella
2, Microsporangium, Megasporangium, Selaginella
2, Antheridium, Archegonium, Equisetum
2, Microsporangium, Megasporangium, Equisetum
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