What type of relationship do the scale worm and sea star have?
What type of relationship do the scale worm and sea star have?
The starfish has a type of commensalism relationship with a scale worm. They live in central african.
Do starfish have scales?
Sea stars live underwater, but that is where their resemblance to fish ends. They do not have gills, scales, or fins. Sea stars live only in saltwater. Sea water, instead of blood, is actually used to pump nutrients through their bodies via a ‘water vascular system.
What do scale worms eat?
These tiny carnivores feed on small prey such as crustaceans, echinderms, other polychaetes, and snails. They also feed on sponges and hydroids and may also scavenge. Overlapping scales on the upperside.
Where does the scale worm live?
Scale Worms are marine annelids. They are usually quite small and can be found all over the place, from tide pools to the deep sea and hydrothermal vents.
Do earthworms have scales?
Upon a close inspection, the differences between these two animals become clear. First, worm lizards have scales covering their bodies. Earthworms do not. Earthworms are invertebrates (animals without backbones.)
What do marine worms give back to the ecosystem?
The tunneling and boring of marine worms irrigate and oxygenate the shallow water pools encouraging beneficial plant and algae growth. Whether it’s in tide pools, lowland waters or oceanic reefs, the marine worm’s primary ecological contribution is as sustenance for aquatic animals further up the food chain.
Why is an earthworms blood red like humans?
Haemoglobin is the most common oxygen-carrying molecule, including in worms. Haemoglobin contains iron, which means most worm blood – including that of earthworms and leeches – is red.
What eats a marine worm?
Marine Worms. Arrow worms or Chaetognathids are also known as ‘Glass worms’ and ‘Tigers of the zooplankton’. All species are predators, feeding on copepods and other small crustaceans, larval fish and other arrow worms. They are eaten by fishes, squids and some sea birds.
What type of worm is a marine worm?
There are six phyla that contain marine worm species: Platyhelminthes (flatworms), Nematoda (roundworms), Annelida (segmented worms), Chaetognatha (arrow worms), Hemichordata (acorn worms), and Phoronida (horseshoe worms).
Is a marine worm a roundworm?
Marine worms belong to many different phyla, including the Platyhelminthes (flatworms) , Nematoda (roundworms), Annelida (segmented worms including tube worms and bristle worms), Chaetognatha (arrow worms), Hemichordata (acorn worms), Phoronida (horseshoe worms), Nemertea (ribbon worms or proboscis worms), Sipunculid …
Is a marine worm a segmented worm?
Phylum Annelida includes earthworms and many marine worms. Their body plan is segmented. You might recognize these segments in the rings you see on an earthworm. Each of the body segments in a polychaete has a pair of flattened extensions (paddles) called parapodia (podia means feet!).
Is a marine worm a decomposer?
Overall, the main decomposer organisms in marine ecosystems are bacteria. Other important decomposers are fungi, marine worms, echinoderms, crustaceans and mollusks. Ocean decomposers have a variety of methods for gathering dead material to feed on.
Are brittle stars decomposers?
The Sponge Brittle Star is a species of Brittle Star. It is a detritivore, meaning it feeds on the remains of dead organisms. Although brittle stars are mainly detritivores, some catch and eat live prey. They are closely related to starfish but they aren’t the same thing.
Are brittle stars Dangerous?
Brittle stars are not used as food, though they are not toxic, because of their strong skeleton. Even if some species have blunt spines, no brittlestar is known to be dangerous, nor venomous.
Is a sea slug a decomposer?
Decomposer. A few decomposers of the ocean would be bacteria, fungus, marine worms, sea slugs, sea worms, and brittle stars.
What does the sea slug do with the energy that it saves by not needing to find food?
This means it can get all the energy it needs from sunlight, allowing it to survive without food for months. By photosynthesising, the sea slug produces lipids when the energy from the sunlight is combined with water and carbon dioxide, which gives it all the nourishment it needs, no additional food required.
What is a sea slugs diet?
Sea Slugs: What do sea slugs eat? Plankton, algae, and jellyfish are all prey of these animals. Some of these animals are herbivores eating algae and other plant life off rocks.
How long can a sea slug live off of just photosynthesis if it eats enough algae?
They graze off the algae they carry around with them. They live off the sugars produced by stored chloroplasts. How long can a sea slug live off of just photosynthesis if it eats enough algae? four monthsnine monthsIt has made the corn used for food more expensive.