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Clams (and all mollusks) have a complete digestive system. It consists of a mouth where food is ingested, a short connecting tube called the esophogus, a stomach which temporarily holds food, and an intestine where food digestion and absorption takes place.
- Is there digestive tract complete or incomplete?
- Are bivalves digestive system complete or incomplete?
- How does food move through a clam?
- Do snails have a complete digestive tract?
- Do clams have complete digestive tract?
- What are the example of complete digestive system?
- Do clams have open or closed circulatory systems?
- Is a clam a shell?
- What phylum and class are clams in?
- Where is the digestive gland located in a clam?
- Do clams have organs?
- Do clams have eyes?
- Do slugs pee?
- Which insect does not have digestive system?
- Do slugs poop?
Is there digestive tract complete or incomplete?
An incomplete digestive system consists of a digestive cavity with one opening. The single opening serves as both mouth and anus. A complete digestive system consists of a digestive tract with two openings. One opening is the mouth.
Are bivalves digestive system complete or incomplete?
Bivalves have a complete digestive tract; a reduced nervous system; a complete, open circulatory system with a chambered heart, arteries, veins, and blood sinuses; and excretory and reproductive organs.
How does food move through a clam?
Clams are filter feeders. Water and food particles are drawn in through one siphon to the gills where tiny, hair-like cilia move the water, and the food is caught in mucus on the gills. From there, the food-mucus mixture is transported along a groove to the palps (mouth flaps) which push it into the clam's mouth.
Do snails have a complete digestive tract?
The alimentary tract of land snails is remarkably simple, possibly because of terrestrial life styles. The alimentary canal is usually divisible into buccal mass, esophagus, crop, stomach, intestine and rectum along with appendages like salivary and digestive glands (hepatopancreas) [55].
Do clams have complete digestive tract?
Clams (and all mollusks) have a complete digestive system. It consists of a mouth where food is ingested, a short connecting tube called the esophogus, a stomach which temporarily holds food, and an intestine where food digestion and absorption takes place.
What are the example of complete digestive system?
Since animals with complete digestive systems can get the most nutrients out of their food and keep eating, larger, more complex animals evolved. All mammals, like dogs, cats, and humans; reptiles, amphibians, fish, birds, and even insects have complete digestive systems.
Do clams have open or closed circulatory systems?
Clams have an open circulatory system; humans have a closed circulatory system. Both systems move blood throughout the organism providing exchange of nutrients/oxygen for waste products/carbon dioxide, at the cellular level.
Is a clam a shell?
Like oysters and mussels, clams are bivalves, a kind of mollusk that's encased in a shell made of two valves, or hinging parts. And that shell comes in all different sizes.
What phylum and class are clams in?
Clams, Snails, and Squid: Phylum Mollusca, Class Pelecypoda. Pelecypods have two shells, or bivalves, that protect the soft parts of the animal.
Where is the digestive gland located in a clam?
Mollusks have a radula for grinding food. A digestive gland is connected to the stomach. The tissue beneath the shell is called the mantle. The digestive system includes a gizzard, a stomach, a digestive gland, and the intestine.
Do clams have organs?
A clam's shell consists of two (usually equal) valves, which are connected by a hinge joint and a ligament that can be external or internal. ... Clams also have kidneys, a heart, a mouth, a stomach, and a nervous system. Many have a siphon.
Do clams have eyes?
Bivalves—mollusks that live inside two matching cupped shells connected by a hinge—have evolved some form of eye multiple times. Some clams even have compound eyes, or eyes with multiple visual units, though they differ from the better-known compound eyes of insects.
Do slugs pee?
Waste: Land snails reabsorb most moisture in their bodies, so they do not urinate separately from solid waste. “Poop” comes out the anus on the side of the shell and falls to the ground.
Which insect does not have digestive system?
This insect is common in the Vietnam town of Tam Dao, which is frequented by entomologists. It's a testament to the insect's mastery of disguise that it wasn't discovered until recently. The word "slug" is usually not associated with beauty, but this multi-hued species is a rare exception.
Do slugs poop?
After a slug has eaten and digested food (a wide variety of plants, fungi, earthworms and carrion), a mucus string of scat leaves through its anus, which is hidden under the leathery patch called a mantle, located just behind its head.
