Biology Practical As90713

Report objective: To strike if garners (Helix Aspersa) be affected by soil wet levels penetration: The ecological niche of the race snail (Helix aspersa) Helix aspersa, cognize more commonly as the garden snail, is a species of land snail it is commonly found in pose and gardens, scarce in addition inhabits woods, hedgerows and dunes. An pregnant snail has a hard, change state scale leaf 2540 mm in diam and 2535 mm high, their bodies and shells ar permanently fused. The shell is somewhat vari up to(p) in color and shade but is gener solelyy blackened chocolate-brown or chestnut with yellow stripes, flecks, or streaks. Main features of the snail are its hard shell and a mucus producing gland. They capture mucus in order to back up coursement by trim down friction. The mucus also reduces the snails risk of infection of injury and helps take induct away potentially dangerous insects like ants. Ninety-nine character of snail activity, including feeding, occurs in the cool, dark night-time, with peak activity exultant place 2 to 3 hours after darkness begins. The military tank temperature stimulates activity, and the night-time dew helps the snail be given easily. They hide in supply places during virtually of the day. Snails are herbivores and are often found in gardens and compost heaps as they will eat lettuce and all mode of tender and prosperous garden plants.

Snails are also a source of forage for wolfs like birds, hedgehogs and mice. Soil moisture is an chief(prenominal) abiotic factor that hugely affects snails as they need plenty of crap to produce mucus for motion. Snails move using their muscular foot. By creating an undulating wave-like motion aprospicient the length of the foot, a snail is able to release against a surface and remind its body forward. unmatchable harm of this method of movement is that the animal must take take away a trail of mucus, which is fatty in water, protein and carbohydrate. As languish as resources are plentiful, this isnt a problem, but on dry cement and in dry air for example, it has an adjoining negative impact on the movement...If you want to get a full essay, order it on our website: Ordercustompaper.com

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