BIO 181 Why are non-vascular plants often restricted to moist
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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Solution: BIO 181 Why are non-vascular plants often restricted to moist