Which do fish have instead of arms and

Q: How are lampreys different from hagfishes?

A: As per our policy, We are answering only question 1. For the rest of the questions please repost.…

Q: What does a great white shark,eel and African tiger fish have in common? list all  the…

A: Great White Shark: The great white shark is found on the coastal surface of all oceans. The…

Q: Which class has the largest number of animals insects or fish?

A: Plants and animals display interaction with each other. Plants are the producer of nature, animals…

Q: Is there any genetic evidence linking lobe-finned fish and amphibians

A: Lobe-finned fishes and amphibians are closely related and connected through a common ancestor which…

Q: What feature separates the Chondrichthyans (sharks and rays) from the lobed-finned fishes? O some…

A: The class Chondrichthyes has two subclasses: the subclass Elasmobranchii (sharks, beams, skates, and…

Q: What are the three maingroups into which mammalsare divided?

A: Mammals are vertebrate animals that constitute the class Mammalia. They are characterized by the…

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: Which body region of a crayfish is most obviously segmented?

A: Abdomen is the body region of a crayfish that is segmented.

Q: List features common to bony fish, amphibians,amniotes, and mammals.

A: Vertebrates referred to as the group of organism that comprises a backbone or vertebral column.

Q: Do all chordates have backbones?

A: Chordates having following characters: Presence of dorsal hollow nerve cord. Presence of notochord.…

Q: How do desert lizards maintain a fairly constant body temperature?

A: Ectotherms are cold-blooded animals whose regulation of body temperature depends on external…

Q: What are four distinguishing characteristics of chordates?

A: The four qualities of chordates are a notochord, dorsal, pharyngeal cuts (or pockets), and postanal…

Q: What derived characters do sharks and tuna share? Whatfeatures distinguish tuna from sharks?

A: Pieces are true, jawed vertebrates with specific organs for respiration, excretion and blood…

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: Which structure of the ray-finned fishes allows for breathing in water while the fish is stationary?…

A: The fishes are found in the super class Pisces. They belong to chordates.

Q: animals found in cooler environments?

A: Several scientists are attempting to figure out however the Arctic ground squirrel (Spermophilus…

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: What are 5 adaptions or behaviors that make amphibians fit their environment?

A: Amphibians are defined as any group of cold-blooded vertebrate organisms (like frogs and toads) that…

Q: Urchins and sand dollars lack arms. How do they move?

A: Sea urchins and sand dollars are both belong to the phylum Cnidaria and they are fully marine.  Sand…

Q: What is thought to be the function of the shell morphology in African pancake tortoise?

A: Introduction African pancake tortoises:- are native to East Africa and are found in Tanzania,…

Q: Bivalves lack a mantle (True/False)?

A: The name bivalve refers to the limy shell. They are composed of two pieces or valves, right and left…

Q: Crayfish Compare the walking legs and swimmerets of the crayfish

A:

Q: What is the biggest turtle in North America?

A: Turtles are reptiles of the order Testudines characterized by a special bony or cartilaginous shell…

Q: Write the name of second largest animals in phylum?

A: The term Molluscs stands for "Soft", so it is the phylum dedicated to the soft body animals.

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: what is the major difference between turtles and tortoise?

A: The domain Eukarya includes the kingdom Animalia. All animals are classified under the kingdom…

Q: What features differentiate animals from their nearest relatives?

A: The evolution of larger animals happened around 2000 million years ago when there was an increase in…

Q: Explain how lungfishes are adapted to survive out of water

A: Animals are multicellular organisms. Animals are member of the kingdom Animalia. Fish is an aquatic…

Q: Compare the body plan of a lamprey and a shark

A: Sea lamprey have a tendnecy to prey on the large fishes as well as the shark. These both organisms…

Q: difference between a turtle and a tortoise

A: Turtle Tortoise 1. Most turtle are mainly aquatic reptiles 1. Tortoise are terrestrial…

Q: What is the process of respiration when it comes to fishes in the ocean

A: Fishes obtain the necessary oxygen through aquatic respiration. Aquatic respiration is defined as…

Q: Describe the early jawed fishes.

A: According to the J. Z young of classification chordata has two superclass Agnatha ( jaw less )  and…

Q: What is the function of tongue in fish? What about its nose/nares?

A: Like other living organism fish contains complex systems such as digestive system, respiratory…

Q: Compare and contrast bimodal breathers and air breathing fishes.

A: In both air and water, the capacity to exchange respiratory gases is defined as bimodal respiration.…

Q: What class do sea turtles belong? How do you know?

A: Vertebrates originated in the ocean. Land vertebrates descended from Bony fishesEvolved two pairs of…

Q: What is a body structure that is found in Bony fish but not in Cartilaginous fish?   Teeth Gills…

A: The animal kingdom is diverse constructing millions of species. Fishes are one group of vertebrates…

Q: Name and describe two adaptations that make squid good predators.

A: Squids have some unique adaptations. Squid are marine cephalopods with elongated bodies, large eyes,…

Q: which environment has the largest variety of animals?

A: Introduction  Environment can be summed up as the effects of all the living and non-living things…

Q: Name two structures found in the gut of shark but not of frog ?

A: Digestion in shark takes place by digesting the food into a semi-liquid chyme.

Q: What modification do sea anemones possess to increase their digestive surface area?

A: Sea anemones belong to the phylum Coelenterata(Cnidaria). They are aquatic, mostly marine, sessile…

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: Explain the evolution and the modification of fish's internal and external structure.

A: The evolution of fish began about 530 million years ago during the Cambrian explosion. It was during…