Q: what is the reproductive strategy for fish?
A: Fishes are mostly oviparous. Polygamy, polyandry and monogamy are a part of the reproductive…
Q: Give differences between shark and frog regarding circulatory system?
A: Circulation is a process by which blood along with oxygen and nutrients are supplied to every cells.…
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: In what ways are annelids important?
A: The organisms of the ecosystem have different features compared to the others. Classification is the…
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: Explain why remipedians were once thought to resemble ancestral crustaceans.
A: Remipedia is a class of small, marine, cave-dwelling crustaceans characterized by a short head and a…
Q: What are Annelids ?
A: Phylum Annelida belongs to the kingdom Animalia. They are found in both aquatic and terrestrial…
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: What evidence suggests that four-legged animals came from fish?
A: Evolution is a slow process which explains that how the species changes with time to survive in…
Q: compare the evolution of bony fish and jawless fish.
A: During the Cambrian explosion approximately 530 million years ago, fish began to evolve. The early…
Q: Recognize characteristics that distinguish fish from othervertebrates.
A: A vertebrate is known as the animal with the spinal cord that is covered with the help of cartilage…
Q: What is the importance of having swim bladders to aid in the sound production in fishes?
A: Q. What is the importance of having swim bladders to aid in the sound production in fishes? Fish are…
Q: Give an account of the body wall of lizard?
A: The lizards are cold-blooded chordates that belong to the class of reptiles. They are native to…
Q: What are lobe-finned fishes ?
A: Fish are oceanic, craniate, gill-bearing creatures that don't have appendages with digits. The…
Q: write a short conclusion about Platyhelminthes Nematoda and Annelida
A: Platyhelminthes/ Flatworms:- They are soft bodied, flat invertebrates, most of which are parasitic…
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: Describe four important characteristics of fishes.
A: Fish are vertebrates, aquatic animals belonging to the phylum Chordata in the animal kingdom. They…
Q: How is excretion done infishes?
A: The animals characterized by the presence of gills, absence of digits and digits, and reside in the…
Q: How do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely…
A: Lobe-finned fishes and ray-finned fishes are osteichthyes, popularly referred as bony fish . They…
Q: What are Bony Fishes ?
A: Fishes can also be classified into two types based on the type of skeletons ,they are Osteichthyes…
Q: what are the advantages of FISH ?
A: FISH is a fluorescent in situ hybridization technique which is used to detect numeric anomalies of…
Q: Bony fishes are divided into which two groups? a. hagfishes and lampreysb. sharks and ray-finned…
A: Bony fishes belong to clade Osteichthyes, and their characteristic feature is the presence of a bony…
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: 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: 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: Explain the differences between the two types of shellfish and provide three examples of each.
A: Shellfish is a colloquial and fishery name for aquatic invertebrates with exoskeletons that are…
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: Explain why it is necessary to know the life history of a tunicate to understand why tunicates are…
A: Tunicates are members of the subphylum Urochordata and phylum Chordata. They are small marine…
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: Explain the evolutionary relationship between the fin of a fish and the flipper of a whale.
A:
Q: What are some examples of annelids?
A: Annelids are free living animals and live in freshwater, marine, and terrestrial environments. There…
Q: What are the ages of fish?
A: The Devonian time is considered as the age of fishes, this time is around 415 to 355 million years…
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 reasons why annelids are restricted to moist environments
A: The phylum Annelida consists of worms like the ring worms, earthworms and segmented worms. They have…
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: How do fishes breathe?
A: Introduction Fishes are the aquatic animals which either live on surface or in the water. Unlike…
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: Describe the traits common to all fishes.
A: Fishes are diverse. They have evolved to live successfully in underwater environment, from streams…
Q: Explain how fish cope in both fresh and marine waters
A: Freshwater fish intake very less amount of water to maintain its osmoregulation . They excrete…
Q: Tabulate differences between shark and frog with regard to their habitat, habits and external…
A: BASIC INFORMATION SHARK It comes under the category of cartilagenous fish called Chondrichthyes.…
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…
Explain about ray-finned fishes ?
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