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a hollow gut
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Why petroleum is also called liquid black gold?
it is because petroleum is hard to find and it's precious because it's expensive so ayun ^_______^V ~ LORENCE
Is Magic Mud a solid or a liquid?
Both because sometimes it is solid and others it is liquid. It is also called 'Convertive Material'
Which substance is called white coal?
i think its a diamond because it is also made of carbon atom and found in coal mines
Why is gold called gold?
it is actually because the people of Egypt wanted it to be called gold while it was also the colour gold. they would use the gold to rub silk on mummies quilts
Why universal solvent called water?
Water is called universal solvent because it can dissole the polar substances in it and also some quantity of non-polars as well.It dissolve polar substances because it have strong force of attraction with them an d dissolve small amount of non-polars because the water have weak force of attraction with them.
What kind of organisms are the coral?
calcified rocks \
What are stinging celled animals?
Cnidarians, which is a kind of sponge in the vast amount of different kinds of invertabrates.
What is the cnidarians string cells?
They are called pneumatocysts. They are the stinging cells used for killing prey, as all cnidarians are predators. They are cells that contain poison, and have little barbs on them to inject the poison with. With some cnidarians, the little barbs are all that you feel because their poison is only strong enough to kill plankton. With other cnidarians, however, the poison in the pneumatocysts is strong and can be deadly. The main purpose of the pneumatocysts is to kill prey, but they are also useful against predators.
Why are coelenterates more advanced than sponges?
sponges are made up of individual cells. I dont know about colentrates. They just are what they are. sponges also don't move while coelenterates do.
What is an example of cnidarians?
Cnidarians are the group of invertebrate animals which possess stinging cells called cnidocytes. The popularly-known cnidarians fall into only a couple of major groups. The Anthozoans or corals, sea pens, and anemones are sessile--that is stationary in lifestyle. The Scyphozoa or jellyfish are motile (mobile in lifestyle). So, the answer to the question is that anemones, coral, and jellyfish are all cnidarians.
Why soft animals like cnidarians don't live on land?
Cnidarians and sponges receive most of their food from filtering water; they would starve without water. Also, they would most likely crush themselves because of their body weight if they were on land.
What animals belong to the cnidarians group?
It is called a polyp. Some examples are sea anemones and hydras.
Is the coral reef built by mollusks?
No, coral reefs are cnidarians. The reefs themselves are built by coral polyps. Coral reefs are considered cnidarians along with what you and I would commonly refer to as jellyfish. Sea anemones are also cnidarians.
What are the main characteristics of coelenterates?
They are exclusively marine animals.Body cavity is absent.They have a tissue level of organization and lack organs and organ systems.Their body is made up of two layers of cells; the outer layer is called ectodermand the inner layer is called endoderm.They are also invertebrates.
How does cirripedia capture food?
Cnidarians are carnivorous, feeding mostly on zooplankton but also on small crustaceans, fish eggs, worms, smaller cnidarians, and even small fish.For the source and more detailed information concerning this subject, click on the related links section (Answers.com) indicated below.
How do cnidarians catch there pray?
The nematocysts allow the animal to hold the prey and venom is injected. The venom is often a neurotoxin that disables the prey and prevents too much damage to the soft bodied cnidarian. There are also chemicals injected that begin the digestion process. When the prey is ingested, more digestive chemicals are used.
Differentiate feeding mechanism of coelenterates and sponges?
Sponges smell of soap which is ok, also feeding mechanism is stupid, it's also very lazy. Just feed yourself or the animal yourself with the normal food.
