10. What are dermal denticles? 11. Why do sharks have a spiral shaped intestines? 12. What are the threats to shark populations?

Q: Mention the functions of feathers?

A: The members of the group vertebrate are fishes, amphibians, reptiles, birds and mammals. The birds…

Q: 1. Is there a male or female crayfish? 2. How many swimmerets does a crayfish have? 3. How many…

A: DISCLAIMER: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Do you see any evidence that a spider’s body is segmented?

A: Spiders are arachnids that belong to the phylum Arthropoda. They are air-breathing arthropods and…

Q: How does the foot of a bivalve differ from that of snails or chitons?

A: Limpets or Notoacmea, Collisella are known as small, cone-shaped shells found on the rocks…

Q: 1. What is a casque? Which members of Casuariiformes have one, and what is though to be its…

A:

Q: A characteristic unique to most species of mammals and no other vertebrates isa. endothermy.b. skin…

A: The group of multicellular, mostly motile, and heterotrophic organisms is called animals. They lack…

Q: 11. Complete the sentences: ___________ and __________ are examples of jawless fish, belonging to…

A: Jawless fish belong to the superclass Agnatha and consist of both extinct as well as present…

Q: A marine biologist catches a species of fish she has never seen before. Upon examination, she…

A: Pisces is a class that contains fishes. The members of pisces have two chambered heart with one…

Q: What is the function of the gill rakers? 2. Explain how gas exchange occurs at the gills. 3. What is…

A: Since you have asked multiple questions, we are answering the first 3 parts. If you want any other…

Q: How do whales get their energy and matter?

A: Whales are marine animals , belong to the class- Mammalia and order- Artiodactyla. They are aquatic…

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: Are lizards dangerous?

A: Lizards are a widespread group of squamate reptiles. 6,000 species of lizards found across all…

Q: How do clams move?

A: Clam is a kind of bivalve mollusc who is capable of burrowing into sand or sediments.They are often…

Q: How do tube-building annelid worms attach or cling to rocks? 2. How do segmented worms attach or…

A: Water environments such as the intertidal zone and around hydrothermal vents are home to segmented…

Q: Do ostriches bury their head in the sand? 2. Please identify the 3 world records held by the common…

A: Answered 1st 2nd 4th

Q: 2. Name four ways in which external anatomy of bony fish are adapted to their watery environment

A: Aquatic adaptations are modifications or adjustments in an organism's behavior, physiology, or…

Q: Describe how lobsters, crayfish and are similar?

A: Taxonomy is a branch of science involved with classification, particularly of organisms;systematics.…

Q: 4)  Crayfish, shrimp, lobsters, Daphnia, etc (Class Crustacea)- characteristics? 5)  Spiders,…

A: Arthropoda is the biggest phylum with around nine lakh species. They might be earthbound or even…

Q: 1.How many fins does Lancets have? 2. How many fins does Cartilagenous fish have?

A: "Fish" are aquatic animals that live in the sea, rivers, lakes, and oceans. Individuals increasingly…

Q: Both cartilaginous and bony fishes have_ a. jaws d. a swim bladder b. a bony skeleton e. a…

A: The name vertebrate comes from the Latin word vertebrae, which refers to the spine's bones. Animals…

Q: Which fins of sharks provide power and speed?

A: Caudal fins provide power and speed to the Shark.

Q: Which of the following is formed by a contribution of the pharyngeal endoderm? A. tracheal tube B.…

A: Internally, the endoderm forms the lining of the pharynx and it also form, a number of specialized…

Q: Which amniotes are endothermic? What are some advantages of endothermy?

A: An organism alludes to something living that has a coordinated design, can respond to boosts,…

Q: What is a vertebrate? 41. What were the first organisms to live on land? 42. Know the evolution of…

A: Lemurs, lorises, tarsiers, monkeys, apes, and humans are members of the order Primates of the class…

Q: Does shrimp have a true tail? Or the uropod is just an appendage/part of the abdomen and not…

A: Shrimps are the crustaceans that are the part of arthropods. They have jointed appendages and…

Q: 1. Divide the animals into two groups depending on if they possess vertebrae. 2. Divide the…

A: Since there are multiple questions in this particular question, I will answer the first three sub…

Q: Give three characteristics of lizard's death?

A: Lizards belong to the Class Reptilia and includes about 6000 species, which are cosmopolitan in…

Q: 11. The figure above illustrates how some characteristics of the horse have changed over time. Along…

A: Evolution can be defined as the change in the characteristics of a species over multiple generations…

Q: 1. Necturus moculosus, example of a salamander skin texture Body division: a broad flat head…

A: Necturus maculosus belongs to the phylum Chordata and the family Proteidae. It is commonly known as…

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: Both cartilaginous and bony fishes have______ . a. jaws d. a swim bladder b. a bony skeleton e. a…

A: The term vertebrate is derived from the word vertebrae, which refers to the bones that make up the…

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: 11. The figure above illustrates how some characteristics of the horse have changed over time. Along…

A: Evolution is the process through which animals or organisms undergo changes in subsequent…

Q: 1. What is special about the saliva of openbills?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which is INCORRECT about sea urchins? A. Spines are movable B. Secondary spine is shorter a d solid…

A: Sea Urchins are echinoderms having a spiny outer structure.  They move with the help of tube feet…

Q: Do sea urchins have teeth?

A: Sea urchins belong to class Echinoidea and phylum Echinodermata under the Animalia kingdom. They are…

Q: Agnathans (Jawless FIsh) Look at the image that is attached to this question to answer the…

A: The Agnatha comprises of the jawless fishes, the most primitive group of surviving vertebrates.…

Q: Which worms can be found in the eye? Which cause blindness?

A: Step 1 Eye worms are most often the type of parasite that may be lodge in an individual’s eyes or…

Q: what type of scales do bony fish and Lancets have?

A: Lancet fish, both of two types of broadly dispersed, deepwater marine fish of the class Alepisaurus…

Q: 4- Brachiopods periodically cease to feed because: a) predators may pass overhead, causing the shell…

A: Need to find why the brachiopods periodically stops to feed from the following options.

Q: What are the external parts and function of shark? 2. What are the external parts and function of…

A: Animal anatomy deals with the structural relationships and physical characteristics that represent…

Q: How many swimmerets does your crayfish have? 2. How many rows of gills does the crayfish have? 3.…

A: Crayfish : These are freshwater crustaceans . They breathe through heir feather like gills. They…

Q: Tell about the tail of Lizard?

A: World  is home to all kinds of lizards. We have seen one climbing up the wall, scurrying through the…

Q: How geckos stick to walls?

A: Geckos are nocturnal and docile. They hunt for insects. They can survive without water for many…

Q: 1.  How do clams open and close their shells? 2. How does a clam draw water into its mantle cavity?…

A: Clams are bivalves that spend most of their time lying on the seafloor. When frightened, a clam uses…

Q: (i)In which part of the world, Neanderthal man lived?(ii)What was his brain​s capacity?(iii)Mention…

A: Neanderthals or Homo neanderthalensis are an extinct subspecies of the archaic humans. They lived…

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.