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

Q: Differntiate and classification of mammals like eutheria,metatheria,prototheria?

A: Mammals are characterized by the presence of mammary glands that function to feed the newborn. These…

Q: From an evolutionary perspective, what is the significance of each of the following: (1) placoderms,…

A: The term evolution can be defined as the  change in the features of different species over a long…

Q: What is a jawless vertebrate-petromyzon with its structure?

A: Jawless fishes are otherwise known as "Agnatha" and it is a superclass of the phylum Chordata. These…

Q: What is the select advantage of the evolution of the jaw in dogfish shark?

A: The dogfish shark or spiny dogfish is the species of the Squalidae family of sharks, which is a part…

Q: 1) What do you notice about the texture of its skin? 2) Why would this be advantageous?

A: The spiny dogfish, spurdog, mud shark or piked dogfish, is a species of the Squalidae family of…

Q: What are two defining characteristics of mammals?

A: Answer- Mammals are the most advance group of organisms present on the earth. They comes under…

Q: Which group of unikonts is structurally and genetically most similar to animals?

A: Unikonta is a supergroup which includes a range of protists along with animals and fungi. It is the…

Q: In what ways do the genera Australopithecus and Homo differ?

A: Genetic evidence showed that about 7-10 million years ago, humans were evolved from chimpanzees. The…

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: What are three shared features of vertebrates (other than those that are shared because they are…

A: BASIC INFORMATION ANIMAL KINGDOM  It is among one of the five kingdom classified by R.H. Whittaker.…

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 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: Are the limbs modified into wings of bats and the wings of birds examples of evolutionary analogy or…

A: Homologous organs are defined as the organs of different species that are having a similar structure…

Q: How do penguins differ from other marine birds?

A: Birds, belonging to the class Aves, are the warm-blooded vertebrates possessing feathers. They have…

Q: Which of the following is the correct classification for the following chordate animal: These…

A: The phylum Chordata contains all of the animals that have a rod-like structure used to give them…

Q: D) CLASS MAMMALIA What are the general characteristics of mammals? - What are the 3 types of mammals…

A: There are 27 orders in total, divided into three subclasses dependent on reproductive strategies…

Q: What does the following 3 examples of fish have in common?

A: The fishes belong to class Pisces. The member of this class has a two-chambered heart, respires…

Q: What are four key defining characteristics of chordates?

A: Phylum Chordata is the third largest phylum. The animals belonging to this phylum are called…

Q: Which of the following is the correct classification for the following chordate animal: This animal…

A: Fishes  Fishes are aquatic Gill bearing animal belonging to the phylum chordata and sub phylum…

Q: How does tracing diversification of lice help trace the dispersal of modern humans?

A: The human lice (Pediculus humanus) is an blood sucking parasites (ectoparasite) that inhabits in the…

Q: What characteristics of Tiktaalik are fish-like?

A: Fossils are the evidences for the history of the life on earth, the remains of a organism or any…

Q: How can true seals be differentiated from the eared seals (sea lions and fur seals)?

A: BASIC INFORMATION SEALS  Their scientific name is Pinnipedia. There are around thirty- three species…

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: how did bat wings evolve from arms?

A: Evolution is the process of change in the features of an organism with time. It is based on the…

Q: Describe the major vertebrate adaptations that arose in fishes. Which of these features are also…

A: Fishes are the aquatic chordate animals which belong to Pisces family. Fishes are used as delicacy…

Q: Discuss the Feeding behavior in garter snakes ?

A: In psychology, feeding behavior is defined as the process or mechanism of action of an organism that…

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 is the likely mechanism of speciation for pupfishes? for cichlids?

A: Speciation is a process that allows the population to evolve into a different species.  It is a slow…

Q: A a) Identify structure A. b) What group of animals does this organism belong to? c) Name one…

A: Hemichordata phylum organisms are triploblastic and enterocoelomates and bilaterally symmetrical…

Q: The scientific name for the African rock python is Python sebae. Which name indicates its genus?

A: A name given to a creature by researchers, notably the scientific name, which includes the genus and…

Q: Why is dolphin aammals?

A: Mammals belong to the class vertebrata and includes a diverse group of animals. Parental care is…

Q: Pharyngeal slits are which of the following?   Question 24 options:   a)  Openings in the…

A: Pharyngeal slit are opening in the pharynx that extend to the outside environment. In organisms that…

Q: What are the characterstics of mammals?

A: A chordate is a phylum which contains vertebrates like mammals, birds and some fishes and also…

Q: what is a major comparison betwe tunicates and bonyfish

A: Tunicates and bony fishes belong to the Phylum Chordata. Tunicates belong to Subphylum Urochordate…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.