How do molecular and morphological data evidence clash in the classic example of cichlid fishes in African lakes?

Q: make an 1,000 words Insights about the study of fishes

A: The branch of zoology that deals with the study of fish is known as Ichthyology.The word is derived…

Q: What factors might account for the fact that the vast majority of atols occur in the Indian and…

A: Atolls are ring-shaped coral reefs, islands, or a series of islets. They are formed from the coral…

Q: why are there more helminths in female toads than in male toads

A: There more helminths in female toads than in male toads becuase infection prevalance and severity…

Q: How salinity influence fish behavior

A: Salinity affects the life of aquatic organisms, their rate of survival. If the salt is high in the…

Q: What is the main evolutionary novelty presented by annelids?

A: Lamarck coined the term Annelida for these ringed animals. He established this phylum as the first…

Q: Compare the characteristics of freshwater and saltwaterecosystems ?

A: Ecology is the branch of science that deals with the interaction of organisms and also with the…

Q: Give the differences lancelet and lamprey with respect tp Body cavity?

A: Lanceletes commonly called amphioxus are marine living, small, eel like animals that belong to the…

Q: Calcitonin has the following biological effects, except:A. Inhibition of vitamin D activityB.…

A: Calcitonin is a peptide hormone secreted by the parafollicular cells of the thyroid gland in humans.…

Q: Does sexual selection in cichlids resultin reproductive isolation?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: make an 500 words biology of bony fishes

A: Thank you for the question INTRODUCTION  Bony fishes are also called Osteichthyes .Their scientific…

Q: Other than feeding and reproduction, could you suggest other possible reasons why marine fishes…

A: Marine fish migration is a complex behavior that involves movement from one habitat to another.…

Q: which lampreys are parasitic and which are not  in the Great Lakes?

A: The Great Lakes is a series of large interconnected freshwater lakes in the mid-east region of North…

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: Describe two different adaptations (behavioral, morphological, physiological) of butterfly fish that…

A: Butterfly fish is a marine animal belongs to phylum chordata,Class Actinopterygii and family…

Q: Why do fish not survive outside water?

A: Fish are animals that live in the water. They do not have limbs, instead of limbs they have fins…

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: 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: Describe the life cycle of sea lampreys, Petromyzon marinus, and the history of their invasion of…

A: Introduction  Petromyzon comes under the taxa cyclostomes which means round mouth. Cyclostomes…

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 the main featuresof fishes associated to thehabitat where they live?

A: Fishes are gill-bearing, craniate, aquatic vertebrate animals which lacks limbs and proper digits.…

Q: Molecular sequence data indicate that Xenoturbella is a deuteros-tome. Are there corresponding…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: How density influence migration of fish?

A: When in a population or community, the organisms move from one area to the other to ensure…

Q: Hagfishes and lampreys are the only living representatives of a veryancient group. Why do you…

A: Jawless fish belongs to phylum Chordata, subphylum Vertebrata, and class Agnatha. The class includes…

Q: Contrast the swimming of sharks with that of bony fishes.

A: Swimming in bony and cartilage fish.

Q: Draw a well labelled diagram of a shark

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: What does predator star fish pisaster helps in?

A: Keystone species, in ecology, a species that has a disproportionately large effect on the…

Q: How light penetration influences fish behavior and survival during spawning season?

A: Light is an abiotic factor that affects aquatic organisms and the environment through its…

Q: Is there a respiratory pigment in the annelid blood?

A: The annelids are also referred to as the segmented worms. Some examples are leeches and earthworms.…

Q: which lampreys are native and which are invasive to the Great Lakes?

A: Sea Lamprey are native and which are invasive to the Great Lakes. The earliest sighting of a sea…

Q: What are poineer species?What is the role of the poineer species?

A: Species refers to group of organisms that can interbreed among themselves to give rise to fertile…

Q: Is there any relationship among fish lice, bird lice, and land mammals, except that they are lice?

A: The living world produces a diversity of organisms and their various relationships which are between…

Q: What are two noticeable morphological differences between the sharks and ray-fin fishes? What is the…

A: Step 1 Chondrocytes or cartilaginous fishes are a small group of mostly marine and predaceous fishes…

Q: How atmosphere and ocean interaction influence fish abundance?

A: The ocean and the atmosphere are inextricably linked. They collaborate to transport heat and fresh…

Q: How do tunas adapt in zones

A: Tunas:  It is a salt water fish that comes under the tribe Thunnini which is a sub-group of the…

Q: What is migration? List down the factors affecting fish migration and how each factor  affect fish…

A: Vertebrates are the organism that possess vertebral column. These include :-  I) Fishes  II )…

Q: List and briefly describe the four functions that waterperforms in living organisms

A: Water is the essential nutrient of the body. It is necessary for the individual to consume 6 to 8…

Q: What is the number and types of lamprey species that are present in the Great lakes?

A: ANSWER;- 1. 5 number present in the Great lakes. Many people believe the obtrusive ocean lamprey is…

Q: why is it important to name organisms? Prionance glauca is sometimes referred to as the blue whaler…

A: Introduction :- A group of living organisms made up of similar individuals capable of interbreeding…

Q: How many gonads are found in lancelet and lamprey?

A: Gonad of an organism refers to the reproductive or sex gland that produces both the gametes and sex…

Q: Bony Fish (Perch) Explain the functions of the perch such as the external and internal features.…

A: Freshwater, seawater, and brackish (a mix of freshwater and saltwater) habitats are all home to bony…

Q: 1. How is a food chain different from a food web? 2. Why is transfer of energy in an ecosystem…

A: The complexity of ecosystems and the interactions between organisms within them have long fascinated…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.