Q: Why do anandromous lampreys die after breeding in the freshwater environment
A: Anadromous fishes are born in freshwater. They spend most of the time in salt water but they return…
Q: what is the reproductive strategy for fish?
A: Fishes are mostly oviparous. Polygamy, polyandry and monogamy are a part of the reproductive…
Q: How do tunicates and lancelets get food? Are there other chordates that you are aware of that feed…
A: Introduction:- A lancelet species belonging to the Cephalochordata subphylum. Myomeres, which are…
Q: Give the resemblances between the lancelet and the lamprey's larva?
A: The lancelet belongs to the kingdom Animalia and characterized as "fish-like" benthic filter-feeding…
Q: List and describe the characteristics that fishes have incommon.
A: VERTEBRATES:- These are those organisms that are without any strong structural support means…
Q: Explain how a cnidarian, such as a jellyfish, stings its prey
A: Cnidarians belong to the Radiata group of Animal kingdom.
Q: Discuss the evolutionary significance of lobe-finned fishes.
A: Lobe-finned fishes (Sarcopterygii) have a lobe in their fins. They have a paired fleshy pectoral and…
Q: What features of squid and octopuses are adaptations for predation?
A: Mollusks are a part of the invertebrate phylum. These include slugs, mussels, snails, and octopuses.…
Q: f filter-feeding lifestyle on early chordates?
A: Chordate can be understood as the group of animals that are placed in the phylum Chordata. During…
Q: Give reasons why anandromous lampreys die after breeding in the freshwater environment
A: The sea Lamprey is one of the fishes that are categorized as anadromous, as these fishes spent a…
Q: List the advantages of segmentation in the annelids.
A: The organisms of the ecosystem have significant properties. Depending upon the different features of…
Q: Explain how coelenterates defend themselves when swimmers venture into their habitats
A: Phylum Coelenterata These are regularly invertebrate creatures, which show an extremely…
Q: Describe the feeding mechanism of a Hydra.
A: Hydra is fresh water organism that belongs to phylum coelenterata , radially symmetrical that…
Q: What are lobe-finned fishes ?
A: Fish are oceanic, craniate, gill-bearing creatures that don't have appendages with digits. The…
Q: Explain how the hydrostatic skeleton of annelids helps them to burrow.
A: In annelid worms, there are two internal hollow body cavities, known as coelom The coelom is…
Q: Are most fast-swimming fish cold-blooded or warm-blooded? What advantage does this provide?
A: Some species of fishes possess a web of arteries and veins lying very close together which enables…
Q: How do hagfishes eat and defend themselves?
A: Hagfishes eat by using their tongues to scavenge the tissues of dead or near dead animals.
Q: Describe four characteristics shared by all jawed fishes.
A: Gnathostomes are the jawed vertebrates. Their diversity comprises 60,000 species that account for…
Q: Explain about ray-finned fishes ?
A: ray-finned fishes, is a class of bony fishes. The ray-finned fishes are so-called because their fins…
Q: Describe the life cycle of freshwater eels. How does the life cycle of American eels differ from…
A: Eels are ray-finned fishes that belong to the order Anguilliformes. They consist of 8 suborders, 19…
Q: How does a nemertean catch and consume prey?
A: Nemerteans are the thin marine worms that belong to the taxon Trochozoa. Nemerteans are generally…
Q: Which fins of sharks provide power and speed?
A: Caudal fins provide power and speed to the Shark.
Q: Explain how coelenterates defend themselves when swimmers venture into their habitat
A: Coelenterates are aquatic animals that have a tissue level of organization. They are mostly marine…
Q: Contrast the swimming of sharks with that of bony fishes.
A: Swimming in bony and cartilage fish.
Q: How are differences in the anatomy of lampreys andconodonts reflected in each animal’s feeding…
A: Lampreys are categorized into the category of Cyclostomata (jawless fishes), whereas Conodonts are…
Q: How do eggs of lancelet and lamprey differ?
A: Lanceletes commonly called amphioxus are marine living, small, eel like animals that belong to the…
Q: In which association a sedentary sea anemone gets attached to the shell lining of hermit crab?
A: The interactions between organisms in an ecosystem are called biological interactions. Biological…
Q: Provide a title for this diagram of the starfish
A: Starfish, often known as sea stars, are echinoderms with star-shaped bodies that belong to the…
Q: Give the role of pharynx in larval and adult lamprey?
A: The jawless vertebrates belong to the subphylum Vertebrata under the section Agnatha. The…
Q: Describe the early jawed fishes.
A: According to the J. Z young of classification chordata has two superclass Agnatha ( jaw less ) and…
Q: Why swim bladders are important in sound production of fishes?
A: A gas filled sac usually along the dorsal wall of the bony fishes . It is an outgrowth of the…
Q: effect does the food industry have on Cuttlefish?
A: Cuttlefish belong to the order Sepiida. They have a very hard bone known as cuttlebone for…
Q: What stimulates feeding behavior in hydras?
A: Some fresh-water small organisms form a genus under the class Hydrozoa and phylum Cnidaria. This…
Q: What time of the year do clownfish mate
A: Clownfishes are tiny, brightly coloured fishes. They thrive in shallow lagoons or sheltered reefs…
Q: What are the two main classes into which fishes are divided?
A: Vertebrates comprise all species of animals within the subphylum Vertebrata. A vertebrate have a…
Q: List the similarities between lancelet and the lamprey?
A: Phylum Chordate which is characterized by the presence of notochord and dorsal nerve cord consists…
Q: Give differences between the lancelet and lamprey regarding gill slits?
A: Lancelets commonly called amphioxus are marine living, small, eel like animals that belong to the…
Q: Give two examples of nonfood fish.
A: Aquaculture is the science freshwater or marine aquatic animal culture i.e. rearing, breeding, and…
Q: What specialized cells in Hydra aid in capturing and subduing prey?
A: INTRODUCTION Hydra This is a small fresh water organism of phylum cnideria.
Q: In what ways are sharks well equipped for a predatory life habit?
A: The sharks are a group of elasmobranch fish.
Q: How temperature influence distribution of fish?
A: Fish can be defined as the type of living organism which lives in the water. They are present in…
Q: What causes the loss of spines in lake stickleback fish?
A: Sticklebacks belong to family of fish that belong to the class Actinopterygi. They are commonly…
Q: List at least three features of squid that contribute to their sucess as predators.
A: Mollusca is a phylum that includes marine invertebrates. It is the second-largest phylum after…
Q: Tabulate differences lancelet and lamprey with regard to their habits , external characters, muscles…
A: Lamprey and Lancelet belong to Vertebrata of the phylum Chordata and fish-like Cephalochordata.
Q: How do ammocoetes and adult lamprey differ?
A: In morphology and behaviour, the larval stage of the primitive lamprey, known as an ammocoetes…
Describe feeding behavior in hagfishes and lampreys. How do they differ?
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