I. Description of Observations On the first day of the C-Fern Investigations‚ we gathered into groups to sow the spores. After thoroughly washing our hands‚ the first group member used a pipet to gather a small amount of spore suspension. He squeezed the liquid in and out several times‚ before depositing 3 drops onto the agar solution in a petri dish. Next‚ another group member used an alcohol wipe to sterilize the spore spreader. It was necessary to ensure no contamination of the spores. He then
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THE BASICS OF SUPPLYING NUTRIENTS TO YOUR PLANTED AQUARIUM The environment within the aquarium and condition of the aquatic plant is not constant but changes over time. The aquatic plants will grow beautifully if you carefully select and add liquid fertilizer according to their condition. We will talk about what and when we should add to our planted aquarium in coming weeks. Part 1. Daily Supply Right after setup‚ the aquarium water contains excessive amounts of nitrogen and phosphorus. 2-3
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Ferm Life Cycle Introduction: This essay will discuss the fern life cycle as taught in biology lab. The essay will cover the basic process which we used to grow a fern. I will discuss the methods and the results of the lab exercise. Finally‚ I will discuss the evidence of the methods and results that were obtained . Methods and Results: To begin our experiment we obtained a petri dish from our lab instructor which contained fern spores and the food they needed to survive. We then look at the
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In the alternation of generations life cycle of plants‚ gametes are produced by the gametophyte. homospores. fruit. sporangia. strobili. Characteristics of eudicots include all EXCEPT two cotyledons. woody or herbaceous plants. leaves with netted veins. vascular bundles arranged irregularly in the stem. flower parts in fours and fives. Which plant structure is not found in the lycophytes? microphylls microspores archegonia rhizome Gymnosperm are characterized by producing "naked seeds". Which
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MINERS - Wilfred Owen There was a whispering in my hearth‚ A sigh of the coal‚ Grown wistful of a former earth It might recall. I listened for a tale of leaves And smothered ferns‚ Frond-forests‚ and the low sly lives Before the fawns. My fire might show steam-phantoms simmer From Time’s old cauldron‚ Before the birds made nests in summer‚ Or men had children. But the coals were murmuring of their mine‚ And moans down there Of boys that slept wry sleep‚ and men
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In some usages‚ the definition of a tree may be narrower‚ including only woody plants‚ only plants that are usable as lumber‚ only plants above a specified height or only perennial species. At its broadest‚ trees include the taller palms‚ the tree ferns‚ bananas and bamboo. A tree typically has many secondary branches supported clear of the ground by the trunk. This trunk typically contains woody tissue for strength‚ and vascular tissue to carry materials from one part of the tree to another. For
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similarity to Lycopods is their environment‚ carboniferous forests. Division Pterophyta is ferns. Ferns have large‚ multiple-veined leaves. Leaves of ferns are called fronds and generally arise from a rhizome. Ferns can range many heights depending on their environment. Tropical ferns can grow very high while ferns in temperate areas can be rather small. Sporangium is generally found on the underside of fern leaves. Cells in the sporangia undergo meiosis and form haploid spores that are released into
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The truth is: trees are not green. The true question you are asking is why LEAVES are green. However‚ I doubt you have any interest in leaves‚ so let me tell you more about trees. A tree is a tall plant with a trunk and branches made of wood. It can live for many years. The four main parts of a tree are the roots‚ the trunk‚ the branches‚ and the leaves. The roots of a tree are usually under the ground. One case for which this is not true are the roots of the mangrove tree.[1] A single tree
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free water. • Some vascular plants survive in harsh conditions (including hot and cool deserts). Ferns belong to the Phylum Pterophyta which also includes horsetails and Psilotum (“whisk fern”). • The ferns are large in numbers and diverse; there are “tree ferns”‚ smaller terrestrial ferns (such as Pteriddiium)‚ and a few aquatic ferns (Marsilea). The latter may be among the more specialized ferns In contrast to mosses (Phylum Bryophyta)‚ the vascular plant sporophyte is dominant over AND is functionally
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and Pterophytes are both plant divisions with a common ancestor‚ they have little in common. While Bryophytes (mosses) are generally nonvascular and very short in height‚ Pterophytes (ferns) are vascular plants that usually grow much taller than mosses. While the dominant generation in mosses is the gametophyte‚ ferns exhibit the sporophyte generation. The details of their alternations of generation vary as well‚ although both have diploid and haploid stages. Alteration of generations is defined as
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