Slug Anatomy 101 | College of Agricultural Sciences
2004年3月11日 · Want to know your way around a slug? Let's start at the top. The mantle is a fleshy lobe that secretes the shell in snails. It is vestigial in most slugs but useful for identification. The keel (carina) is a backbone-like ridge that runs the length of the back in some slug species.
Slug - Wikipedia
The external anatomy of a slug includes the following: Tentacles : Like other pulmonate land gastropods, the majority of land slugs have two pairs of 'feelers' or tentacles on their head. The upper pair is light-sensing and has eyespots at the ends, while …
Slug Parts | College of Agricultural Sciences - Oregon State …
Slugs are very efficient in the use of their body parts. The mantle encloses and protects the slugs internal organs, pumps water and filters out food, and stores eggs while they mature. The body is primarily made up of water to avoid desiccation.
All about slugs - John Innes Centre
It is commonly believed that separate isolated evolutionary events have produced the different slug families we see represented today. Anatomy and behaviour. Slugs move in rhythmic waves by contracting muscles on the underside of the foot. At the same time a layer of (pedal) mucus is produced that helps to smooth the slugs path across the ground.
Slugs | College of Agricultural Sciences - Oregon State University
The radula is a ribbon affixed with thousands of backward-pointing, replaceable teeth. It is also used in slug-to-slug combat and scars of prior battles can be seen on some species. It can be useful to know your way around a slug. Check out Slug Anatomy 101. Slugs are trans-gender, hermaphroditic with both male and female sex organs.
Module 2 – Slug Biology – Invasive Slugs - University of Alaska ...
This module covers the basics of slug biology and identifies anatomy important for identification; Slug and Snail Biology. Terrestrial gastropods are biologically interesting and complex. This is only a brief summary which should help in evaluating ways to find or control them.
Slug | Description, Families, & Facts | Britannica
2024年11月30日 · Slug, any mollusk of the class Gastropoda in which the shell is reduced to an internal plate or a series of granules or is completely absent. The term generally refers to a land snail. Slugs belonging to the subclass Pulmonata have soft, slimy bodies and are generally restricted to moist habitats
Slug Anatomy (From Oregon State University) Slugs have some unique anatomy characteristics. Body: Made of water to avoid desiccation. Mantle: Protects the Lung (pneumostome). Lower Tentacle: For Taste & Touch Head: Covers the radula (snail mouth) and tentacles Radula: Slug mouth for grinding food, lots of special
Slug - New World Encyclopedia
A slug is simply a snail without a shell, or in which the shell is an internal plate, or one in which the shell is external but reduced to very small size or a series of granules. The term slug does not define a taxonomic grouping, but rather a nonscientific collection that includes members of various groups of snails, both marine and ...
Slugs - Wikibooks, open books for an open world
2022年1月26日 · Anatomy of a slug. Slugs macerate food using their radula, a rough, tongue-like organ with many tiny tooth-like denticles. Like snails, slugs have two pairs of 'feelers' or tentacles on their head. The upper pair--optical tentacles--are light sensors; the lower pair provides the sense of smell. Both pairs are retractable and can be regrown if lost.
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