Symmetry of a clam.

Answer and Explanation: 1. The valves of a clam are the two cupped shells that form the clams hard outer covering These shells are joined by a single ligament. These valves act as a hard protective layer that prevents them from being easily consumed by predators such as octopi. The valve of a clam is characterized by a scar from the posterior ...Symmetry is an observable pattern in the external or internal structure of organisms that allows you to divide that organism into roughly equal parts that are mirror images of each other. For example, take the face of a human being which has a plane of symmetry down its center, an example of external symmetry. ... Clams, oysters, and mussels ...١٠‏/١١‏/٢٠٢١ ... For centuries, researchers have puzzled over how oysters grow stunningly symmetrical, perfectly round pearls around irregularly shaped ...The large group of animals called mollusks live on land and in both freshwater and salt water. They constitute the phylum Mollusca, a major group of animals known to have as many as 100,000 living species and more than 50,000 fossil forms. Most mollusks, including snails, clams, oysters, and mussels, have shells.

includes: snails, limpets, clams, mussels, chitons, octopus, squid, oysters, slugs, nautilus, tooth shells the phylum is divided into 8 different classes but 90% of species are in only two: bivalves & snails good fossil record; since most secrete a shell all living classes were well established early in the fossil record

CLAM BODY SYSTEMS. BODY/INTEGUMENTARY: (Body Covering) Soft body with protective shell secreted by MANTLE layer. Shell provides protection but reduces surface area for respiration through skin. UMBO-bump on shell closest to anterior end. No cephalization. VISCERAL MASS- contains heart & organs for digestive, excretion, and reproduction.Bivalvia. Also known as pele­cy­pods, the ap­prox­i­mately 15,000 species of this taxon are found in ma­rine and fresh­wa­ter habi­tats through­out the world. A bi­valve is char­ac­ter­ized by pos­sess­ing two shells se­creted by a man­tle that ex­tends in a sheet on ei­ther side of the body. The old­est part of the shell ...

Alitta succinea. ( Frey & Leuckart, 1847) [1] Alitta succinea (known as the pile worm, clam worm or cinder worm) [2] is a species of marine annelid in the family Nereididae (commonly known as ragworms or sandworms). [3] It has been recorded throughout the North West Atlantic, as well as in the Gulf of Maine and South Africa.Nereis (Clam Worms) is a genus of segmented worms in the family ragworms. They are biodiffusors. They are omnivores. Reproduction is semelparous, gonochoristic, and iteroparous. They rely on drag powered swimming to move around. EOL has data for 34 attributes, including: Body symmetry. bilaterally symmetric. body shape.What is the symmetry of this organism? What is the life style of the organism (clam) in the photo? Benthic, epifaunal. Pelagic, nektonic. Pelagic, planktonic.a. Discuss the notable differences in symmetry between the anemone and clam.(0.25pts) b. Discuss the differences in support system structure. (0.25pts) c. Discuss the differences seen in structures utilized in digestion between the two specimens. (0.25pts) d. Recreate the internal anatomy of both the sea anemone and clam in your own drawingts ...external shell. do clams have segmentation. no. do clams have appendages. no. what is the nervous system of clams. three ganglia connected by nerves. Study with Quizlet and memorize flashcards containing terms like what type of symmetry do clams have, how many tissue layers do clams have, how many digestive system do clams have and more.

Nov 27, 2022 · Clam worms are commonly found under rocks in tide pools, sharing burrows with clams, swimming along mud flat beaches, and being used as bait for fish. What Kind Of Symmetry Do Clam Worms Have? The two symmetry of the worm is what distinguishes it from other invertebrates.

One shape that has at least one line of symmetry is a rectangle. A rectangle has two lines of symmetry. Line symmetry,is also known as reflection symmetry. When one half of an object is the reflection of the other half, the object is said t...

Bivalves are bilaterally symmetrical molluscs having two calcareous, asymmetrical shells (valves) - they include the clams, oysters, and scallops. In most ...Bivalves. Bivalves are molluscs with bodies that are enclosed in a shell of two halves (valves) that can be opened at one end. The animal pumps water in and out of the shell. This water brings dissolved oxygen for the animal to breathe with gills and, in most species, food particles. Bivalves can be found in fresh water or saltwater environments. What type of symmetry do clams have? A clam's shell is it's symmetry. when the clam opens up it's shell each side of the shell is equally the same on both sides. This is what is called...The clam also contains a set of long siphons, which stretch from the clam's mantle, the membranous sac that contains the internal organs and constitutes the body of the clam, to the surrounding medium outside of the shell (Plourde 2001). It uses these siphons for respiration and gathering food. ... having body symmetry such that the animal can ...Fluted Giant Clam. April 7, 2021. Tridacna squamosa, or the fluted giant clam, is a species of giant clam native to the Indian and Pacific oceans. It is the largest living bivalve (named for the two symmetrical shell 'valves' that are connected, or hinged, by ligaments). This endangered species lives primarily in warm shallow reefs and is ...The adductor muscle of the giant clam is actually considered a delicacy, and overharvesting of the species for food, shells, and the aquarium trade have landed it on at least one group's ...

Biology questions and answers. 1. Explain how all echinoderms show five-sided radial symmetry when they look so different.2. How does a tube foot work? Explain using words and drawings.3. Most of the echinoderms have hard parts and spines for defense, but the sea cucumbers do not. How do sea cucumbers protect themselves from predators?4.What is the symmetry of the clamworm? Bilateral. Sensory appendages. located on the head. segmentation. division of body along its length into segments. parapodia. fleshy outgrowths on segments, each grow bristles called setae. what type of body plan does the clam worm have? Diversity. Phylum Ctenophora, commonly known as comb jellies, includes 7 orders, with over 200 currently known species of biradially symmetrical, acoelomate organisms that resemble cnidarians. Ctenophore species are largely planktonic, exclusively marine animals, found throughout the world’s oceans, and comprise a significant portion of the planktonic …Feb 5, 2019 · The photo is the hing line for this type of clam and is also the line of symmetry between both halves. While symmetry is not perfect it is there. Brachiopods have a different symmetry see this link below. Symmetry for brachiopods cuts both shells in half with more or less mirrored right and left sides. Assignment 3 1. List two features of clam anatomy that enable it to survive in a marine environment. (1 pt) They have a hatchet-shaped foot that allow them to move, incurrent and excurrent They have powerful abductor muscles that allows them to pull the shell that protects them together and protects them

Phylum Mollusca is the predominant phylum in marine environments. It is estimated that 23 percent of all known marine species are mollusks; there are over 75,000 described species, making them the second most diverse phylum of animals. The name “mollusca” signifies a soft body, since the earliest descriptions of mollusks came from ...

Animals eat whole food then digest it internally. Which group of organisms consist of multicellular, heterotrophic eukaryotes that are characterized by the presence of muscular and nervous tissue and undergo development to achieve its final form? animals. True or False: Honeybees are important pollinators of a large percentage of our crops.Clams, Mussels, Oysters, Scallops, Shipworms. Morphology. The pelecypods are a type of mollusk that has two shells, hence the common name of bivalves. The shells are hinged together by a ligament that continually forces the shells open. ... Bivalves are symmetrical with respect to their hinge line while brachiopods have a line of symmetry ...Dec 12, 2022 · What kind of symmetry do clams have? Bilateral symmetry. Clams are bivalves. Do clams have bilateral symmetry? yes. Symmetry is an observable pattern in the external or internal structure of organisms that allows you to divide that organism into roughly equal parts that are mirror images of each other. For example, take the face of a human being which has a plane of symmetry down its center, an example of external symmetry. ... Clams, oysters, and mussels ...Members of the phylum Mollusca are soft-bodied animals, such as the snail, clam, squid, oyster, and octopus. Generally, these animals live in water.Lab Chapter 11: Molluscs. List several features of the freshwater clam that enable it to thrive as a sedentary, aquatic organism. Siphons for bringing in and expelling food, oxygen, and water; extensible foot for burrowing; shell for protection, gills modified to collect food particles; labial palps for manipulating food into mouth. THE SYMMETRY OF A CLAM. A study. There’s an intimacy in photographing shellfish and so much to explore in their structures. I could spend hours on them. Most of you know by looking at it that a clam’s shell is a far cry from the oyster’s shell. A clam’s structure is called “bilateral symmetry,” meaning two sides are mirrored halves.Study with Quizlet and memorize flashcards containing terms like A graduate student finds an organism in a pond and thinks it is a freshwater sponge. A postdoctoral student thinks it looks more like an aquatic fungus. How can they decide whether it is an animal or a fungus? See Concept 32.1 (Page 672) Figure out whether it is autotrophic or …CLAM BODY SYSTEMS. BODY/INTEGUMENTARY: (Body Covering) Soft body with protective shell secreted by MANTLE layer. Shell provides protection but reduces surface area for respiration through skin. UMBO-bump on shell closest to anterior end. No cephalization. VISCERAL MASS- contains heart & organs for digestive, excretion, and reproduction.CLAM BODY SYSTEMS. BODY/INTEGUMENTARY: (Body Covering) Soft body with protective shell secreted by MANTLE layer. Shell provides protection but reduces surface area for respiration through skin. UMBO-bump on shell closest to anterior end. No cephalization. VISCERAL MASS- contains heart & organs for digestive, excretion, and …

What is the symmetry of this organism? What is the life style of the organism (clam) in the photo? Benthic, epifaunal. Pelagic, nektonic. Pelagic, planktonic.

Clam, in general, any member of the invertebrate class Bivalvia—mollusks with a bivalved shell (i.e., one with two separate sections). More than 15,000 living species of bivalves are known, of which about 500 live in fresh water; the others occur in all seas. Bivalves usually live on or in sandy or

stomach can go out the mouth. kingdom, phylum, and class of starfish. k- animalia. p- echinodermata. c- asteroidea. Study with Quizlet and memorize flashcards containing terms like what type of symmetry does a starfish have, what is the upper surface of a starfish called, what is the lower surface of a starfish called and more.Pacific littlenecks are a species of clam found along the Pacific coast from California to Alaska, commonly in protected bays and estuaries. They can live as long as 10 years and grow up to 3 inches (8 cm) long. Commercial Sources. Pacific littleneck clams are only harvested in the United States and Canada.Cephalization. Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." The evolution of a head allows scientists to distinguish between the head end, or anterior end of an animal's body, and the opposite end, the posterior.Although cephalization is associated primarily with bilaterally …Radial symmetry: The body is symmetrical around a central axis. These animals lack a head and usually bear a crown of tentacles around the mouth. ... This group includes at least 93,195 described species of familiar animals like …Updated on January 09, 2018. A bivalve is an animal that has two hinged shells, which are called valves. All bivalves are mollusks. Examples of bivalves are clams, mussels, oysters, and scallops. Bivalves are found in both freshwater and marine environments.Sep 21, 2023 · Clam, in general, any member of the invertebrate class Bivalvia—mollusks with a bivalved shell (i.e., one with two separate sections). More than 15,000 living species of bivalves are known, of which about 500 live in fresh water; the others occur in all seas. Bivalves usually live on or in sandy or Question: 7. Identify the incurrent (more ventral) and excurrent siphons at the posterior end (Fig. 30.3). Explain how water enters and exits the mantle cavity 8. Cut away the free-hanging portion of the mantle to expose the gills, Does the clam have a respiratory 9. A mucous layer on the gills entraps food particles brought into the mantle ...Buying Freshwater Clams. Freshwater clams are affordable, with the usual price ranging from $5 – $6 per clam at local fish stores and online stores. The average purchase size is typically ½ to 1” (1.5 – 2.5 cm) in diameter. While shopping for this bivalve mollusk, seek for those with thick, ridged shells.Observe the earthworm as it moves. Earthworms do not have appendages (like arms or legs), but they do have bilateral symmetry. That means they have a left and a right side, a front and a back, and a top and a bottom. The scientific names for these regions are: Top = Dorsal Bottom = Ventral Front = Anterior Back = Posterior . 1.Nov 27, 2022 · Clam worms are commonly found under rocks in tide pools, sharing burrows with clams, swimming along mud flat beaches, and being used as bait for fish. What Kind Of Symmetry Do Clam Worms Have? The two symmetry of the worm is what distinguishes it from other invertebrates. Assignment 3 1. List two features of clam anatomy that enable it to survive in a marine environment. (1 pt) They have a hatchet-shaped foot that allow them to move, incurrent and excurrent They have powerful abductor muscles that allows them to pull the shell that protects them together and protects them$\begingroup$ @ d_b, thanks for the comment. My confusion arises exactly from your point. I thought when we say we have a gauge theory we have a theory with a local symmetry and the gauge fields are the connections of the Lie group but then I came across the following paper.There, we have a color vector charge $\vec{q}$ with a global SO(3) symmetry in color space and gauge symmetry for the ...

What is the symmetry of the clamworm? Bilateral. Sensory appendages. located on the head. segmentation. division of body along its length into segments. parapodia. fleshy outgrowths on segments, each grow bristles called setae. what type of body plan does the clam worm have? Clams, Animal Kingdom Learn with flashcards, games, and more — for free. ... clam symmetry. bilateral. hinge ligament. holds the two valves together located near the umbo. umbo. hump on the dorsal part of the valves, oldest part of the shell. adductor muscles. strong muscles that hold the shells togetherUpdated on January 09, 2018. A bivalve is an animal that has two hinged shells, which are called valves. All bivalves are mollusks. Examples of bivalves are clams, mussels, oysters, and scallops. Bivalves are found in both freshwater and marine environments.Instagram:https://instagram. jobs for community health majorsj2badd nudesku ksuchilean flamingo range Clams, snails, scallops, slugs, squid and octopussy. What clade is Mollusca in? Lophotrocozoa. What are the common characteristics of all Mollusca? Hard shell (internal or external), mantle (secretes shell), visceral mass (contains organs) and muscular foot (for playing soccer) What part of the clam is the coelom?Bivalves are molluscs, well-known to humans who have developed a taste for many of them. This group includes oysters, mussels, pipis, cockles, scallops and clams. The name bivalve means 'two valves'. The soft-bodied animals live inside the shell valves, which are joined together by a toothed hinge and a flexible ligament. cyber security and social mediacounties in ks map What is the symmetry of the clamworm? Bilateral. Sensory appendages. located on the head. segmentation. division of body along its length into segments. parapodia. fleshy outgrowths on segments, each grow bristles called setae. what type of body plan does the clam worm have?Most clams have bilateral symmetry, meaning that if you were to slice them in half vertically, both sides would look the same. There are a few exceptions to this rule, but generally speaking, most clams are bilateral symmetrical. Animals have bilateral symmetry as a fundamental feature. ku basketball games Biology questions and answers. 1. Explain how all echinoderms show five-sided radial symmetry when they look so different.2. How does a tube foot work? Explain using words and drawings.3. Most of the echinoderms have hard parts and spines for defense, but the sea cucumbers do not. How do sea cucumbers protect themselves from predators?4. Polychaeta (/ ˌ p ɒ l ɪ ˈ k iː t ə /) is a paraphyletic class of generally marine annelid worms, commonly called bristle worms or polychaetes (/ ˈ p ɒ l ɪ ˌ k iː t s /).Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin.More than 10,000 species are described in this classSymmetry in the arrangement of body parts is a distinctive phylogenetic feature of animals. Cnidarians show both bilateral and radial symmetries in their internal organs, such as gastric pouches ...