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Crustaceans
Usually considered as a subphylum, Crustaceans comprise a group of arthropods including crabs, crayfish, lobsters and shrimp. Most crustaceans are aquatic animals, though some are terrestrial, parasitic and barnacles. Crustaceans have a chitinous exoskeleton, segmented body, and paired jointed limbs.
1,209 Questions
No, a lobster has an exoskeleton (outer shell). An endoskeleton
is an internal skeleton (as in humans and other mammals).
A bauplan is a plan of the essential elements of the bodies of a related group of organisms.
What skin does a lobster have?
The lobster skin is also its skeleton... called an exoskeleton. It is made of a tough protein called chitin, similar in function to hair, fingernails, claws, hooves, beaks, etc. Usually lobsters further harden it using a process called biomineralization.
Because it isn't flexible, the lobster needs to shed it completely (moult) in order to grow.
Phytoplankton are producers. They are like plants. They take in light and water and nutrients and put out energy. Phytoplankton do not eat any organisms, although they can cause things like red tides which would make it deabtable whether or not they are the direct cause of death.
Can you keep a crayfish as a pet?
Yes, there are several species of freshwater crayfish available in the pet trade. A single crayfish can be kept in a 10-15 gallon or larger tank.
No, Daphnia can not eat Hydra, Because the Hydra has tentacles to capture the Daphnia and eat it. The Daphnia therefore can not get free which means the Hydra can eat the Daphnia. The Hydra therefore has more force and can eat the Daphnia. Your answer is NO.
Organisms that have no definite shape 0 lines of symmetry?
Organisms that are considered to be simple, such as corals, sponges, urchins, many bacteria and protists all lack bilateral symmetry. The symmetry of these animals is one of the ways they are distinguished from each other and classified into groups.
Mucus is typically used for trapping dust particles and bacteria, so where mucus itself is pretty sterile, there's all sorts of gunk attached to it.
How much krill a day do seals eat?
Accidently?
Seals are not krill eating mammals. The primarily eat fish.
woodlice normally live in damp places such as under rocks or branches. Lots can be found under rotting logs near dirty areas. hope this helped :)x
What state has 98 percent of the world's crayfish?
Louisiana is the biggest producer of crayfish in the world. They own 98 percent of crayfish supply in the United States.
A fossil that look like a spiral or a rams horns?
These would most likely be ammonites. They resemble ram's horns even in their fossilized state, and even the name "ammonite" is derived from their perceived resemblance to the horns of Ammon (an ancient Egyptian god commonly depicted with ram's horns).
