1. Is there a male or female crayfish? 2. How many swimmerets does a crayfish have? 3. How many rows of gills does the crayfish have? Where do the gills attach?

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

A: Bony fishes are more popularly known as Osteichthyes. Their skeleton is made up of bone tissue and…

Q: How do tunicates and lancelets get food? Are there other chordates that you are aware of that feed…

A: Introduction:- A lancelet species belonging to the Cephalochordata subphylum. Myomeres, which are…

Q: What are the features that result in tunicate’s being classified as an animal, chordate and…

A: Urochordata are also known as tunicates because outer body of tunicates is covered by tunic which is…

Q: Are the ovary and testes of Hydra can be called true organs such as those found in higher animals?…

A: Hydra reproduce asexually by budding and sexually by syngamy. In the winter and spring, sexual…

Q: Define the role of buccal cavity in earthworm?

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

Q: Do all of the tentacles of a squid have suckers?

A: Cephalopods belong to phylum mollusca. These exclusively marine animals are characterized by…

Q: What are various digestive glands present in the cockroaches?

A: Cockroach (Periplanata americana) is a common household insect. It belongs to insects family. It is…

Q: What controls the opening and closing of the clam's shell?

A: Clam is a common name for several kinds of bivalve molluscs.

Q: What are the lateral linesof fishes?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates include…

Q: How do fishes do gasexchange?

A: Fish are gill-bearing aquatic cranite animals that lack limbs with digits.

Q: What function other than feeding do suckers serve?

A: There are many organisms that have sucker which is a kind of attachment in the body. It is found in…

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: How many tube feet would you estimate are on the oral surface of a sea star?

A: Starfish are star-shaped echinoderms which belongs to the class Asteroidea. They are found in marine…

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 does the swim bladder varies in different aquatic environments?

A: The swim bladder or air bladder is an internal gas filled organ that contributes to the ability to…

Q: How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need…

A: The Chondrichthyes include rays, sharks, and skates that have a cartilaginous skeleton with calcium…

Q: What are the disadvantages of a flatworm’s digestive system having only one opening?

A: Flatworms are a soft-bodied group and are flattened invertebrates. The species of flatworms are…

Q: How similar are the morphological and physiological traits of the members of pancrustacea? Why are…

A: Comparative anatomy is the study of the "similarities and dissimilarities" between various objects.…

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: View a dissected clam on the website. Make sure you can identify the mantle, the foot, the gills,…

A: 1.) Function of foot in clam is foot enables the clamp to borrow itself in mud or sand. 2.) Function…

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: 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: What is the external rigid carapace of arthropods called? Of which substance is it made? Which type…

A: The Arthropoda is the largest phylum in the Kingdom Animalia in terms of the number of species. It…

Q: How does digestion in cnidarians differ from digestion in sponges?

A: In cnidarians. Digestion is extracellular followed by intracellular digestion

Q: What body form do sea jellies exhibit, medusa or polyp? How do they catch their food?

A: Sea jellies are the invertebrate animals belonging to the phylum cnidaria. They do not have brains,…

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: 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/ are the major comparison(s) between the tunicates and bony fish? Are tunicates…

A: Tunicates belong to sub phylum urochordata. These are marine animals. They have an outer covering of…

Q: What is the purpose of gill slits?

A: Gill slits are defined as the individual openings to  the gills which lack a single outer cover.…

Q: How does segmentation and having a fluid-filled body cavity confer certain advantages to annelids…

A: Segmentation in annelids is highly adaptive. Annelid body is made of repeating units or segments…

Q: Frogs mouth  Explain the functions of the structures that are part of the frog's mouth such as…

A: Frog generally lives in or near water but in rains it may be found far away from its Natural Habitat…

Q: What is the type of digestive system present in beings of the phylum Arthropoda? Are these animals…

A: The phylum Arthropoda is composed of animals with jointed appendages or legs. It is a phylum of…

Q: What is the origin of gastrovascular cavity in Jellyfishes?

A: Jellyfish falls under the phylum of Cnidaria that has a radially symmetrical body. They are…

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: What is the difference in structure or location of the fangs of a rat-tlesnake, a cobra, and an…

A: The snakes are the legless reptiles that have a carnivorous diet. Most of the species are venomous…

Q: How are the lifestyle (free – living vs parasitic) related to the morphology of the annelids?  ⮚…

A: Comparative anatomy is the study of the "similarities and dissimilarities" between various objects.…

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: Are Lepidosaurs and Archosaurs are monophylum

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

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its mouth (Buccal) Frame?

A: The scientific name of the mud crab is Scylla Serrata. It is found in mangroves. Generally, a mud…

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: make an 500 words of rationalization of bony fishes

A: Given:  rationalization of bony fishes.

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: How many gill slits are present in Scoliodon?

A: Scoliodon or shark belongs to class Chondrichthyes.  Their skeletons made up of cartilage rather…

Q: How do the upper and lower teeth of mountain lion occlude

A: Mountain lion belongs to carnivore category which are flesh eating animals i.e they feed on other…

Q: Starfish Oral Side Describe the structures of the oral side of starfish. Such as peristome,…

A: Answer. Starfish or sea stars are star-shaped echinoderms that belong to the class Asteroidea. Most…

Q: Cnidarians only have one opening for a “gut” (gastrovascular cavity) and this slows down their food…

A: Cnidarians are animals that belong to the Cnidaria phylum. Invertebrates make up the majority of the…

Q: What are some of the functional and evolutionary advantages of gnathostomes?

A: Gnathostomes are vertebrates that have jaws. Having jaws has an evolutionary advantage for this…

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.