Does Opisthobranchia have shells?

Examples of opisthobranch species. Only in very few species of Opisthobranchia, the shell is big enough so that the animal can withdraw completely. In most species the shell is reduced in size, internalised or lost completely.

Are sea slugs filter feeders?

Feeding ecology and diet Sea slugs feed on a wide variety of organisms. Some are herbivores that eat algae, while others are filter feeders that take in particles from the water.

What is slugs protective mechanism?

When threatened by predators, sea slugs defend themselves by ejecting a potent inky secretion into the water consisting of hydrogen peroxide, ammonia and several types of acids.

Do pulmonata have gills?

pulmonate, (subclass Pulmonata), any of various land, freshwater, and marine snails belonging to the class Gastropoda (phylum Mollusca) that have lost their ancestral gills and breathe instead by means of a “lung”—a highly vascularized saclike modification of the mantle cavity.

What is a nudibranch classification?

Gastropods
Euthyneura
Nudibranch/Class

What phylum is nudibranch?

MolluscaNudibranch / Phylum

What class is a sea slug?

Are sea slugs decomposers?

Both shelled snails and slugs can generally be categorized as decomposers, though they play only a small role compared to other decomposition organisms.

How do slugs affect crops?

Slugs will eat any kind of vegetation but prefer tender leaves. This means that particularly tender-leaved plants or seedlings are very vulnerable to slug damage. Slugs will also eat vegetables and fruits, causing unsightly damage to crops.

How do Monoplacophora avoid predators?

The distinctive feature of all chitons is their eight overlapping plates, which protect them from predators and strong crashing waves. When disturbed they use their muscular, mucus-secreting foot to clamp down hard on rocks, making them difficult to dislodge.

What is Bipectinate gill?

In gastropods in many ancient lineages, the gills are bipectinate, having an overall shape that is similar to a bird’s feather, with narrow filaments projecting either side of a central stalk.