Sharks are fish, but they differ from the bony fish in class Osteichthyes in many ways, such as that they have cartilaginous skeletons, no swim bladder or operculum over the gills, and have jaws that are not attached to the cranium. Also, sharks' bodily tissues are isotonic to saltwater, ...
Explore the cnidaria digestive system. Find out the diet and eating ability of cnidarians, a group including jellyfish. Learn why cnidaria digestion is unique. Related to this Question Do members of the phylum Platyhelminthes eat? Do members of the phylum Cnidaria feed on flatworms?
Which of the following do not have a mesoderm? A. Jellyfish B. Earthworms C. Flatworms D. Octopi E. Snails Barnacles are sessile filter feeders but unlike bivalves, they have internal fertilization. How do they solve this problem? a. They are only capable of asexual reproduction. b. Th...
When an adult (medusa) immortal jellyfish is starved or injured, it reabsorbs its tentacles and transforms into its post-larval, benthic polyp. After sinking, its cells merge, losing their identities and turning into a blob-like cyst that has no resemblance to either a jellyfish polyp or me...
Sharks do not have bones. They are a special type of fish known as "elasmobranchs", which translates into fish made of cartilaginous tissues—the clear gristly
They have a largely vegetarian diet, whereas turtles are mainly omnivorous with marine species eating jellyfish. Both lay their eggs on land. How do tortoises and turtles breathe? While most vertebrates inflate their lungs using muscles between their ribs to increase their chest volume, this is ...
In response to physical damage or even starvation, immortal jellyfish transform back into polyps, essentially reverting them back to being re-born. Research has found that the re-born polyp is genetically identical to the adult it was before. Check this out: How to Clone Your Dog Colin Cart...
The Blue Dragon packsa deadly venomfor anyone who dares touch its body. Blue Dragons float upside down on the surface of tropical waters and target blue bottle jellyfish. They ingest the poisonous cells of the jellyfish, which they then use on their own predators. ...
The jellyfishes and thaliaceans comprise primarily planktonic species of cnidarians, ctenophores (jellyfishes) and chordates (thaliaceans or pelagic tunica... CH Lucas,MN Dawson - Springer Netherlands 被引量: 22发表: 2014年 The Global Face of Nutrition: What Can Governments and Industry Do? Fri...
a.) starfish b.) earthworms c.) sponges d.) jellyfish e.) flatworms Members of the phylum ''Porifera'' have all of the following characteristics except? a) specialized cells but no tissues b) water flows through canals of the body c) stationary animal d) hollow body cavity for...