Q: What is the evolutionary significance of the fifth gill arch of bony fish no longer supporting a…
A: The vast majority of vertebrates belong to the Osteichthyes superclass of bony fishes. Bony…
Q: Is Hemidactylus poisonous?
A: The Common House Gecko or Hemidactylus is a reptile which occurs in tropical, subtropical, and…
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: a) What is the unique feature of the leeches? b) What is the function of the organ that you have…
A: Introduction : Leeches are specialized annelids without parapodia and setae but with sucker. It…
Q: Are leeches predators or parasites? What reasons would you give for both possibilities?
A: In ecology, predation is the term use to define those organisms who feeds on other organism.…
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 does Hemidactylus mean?
A: Geckos are reptiles and are found on all the continents except Antarctica. These colorful lizards…
Q: Describe the body wall of pigeon?
A: Pigeon, scientific name: Columba livia belongs to phyla avian. The body of a pigeon is spindle or…
Q: Sea Star What is the function of the eye-spot?
A: Eye-spot small red spot on the tip of each arm; sensitive to light. These are light-sensitive…
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 location of barbels in Labeo?
A: A barbel is a characteristic feature in fishes and turtle. They are slender, cylindrical shaped…
Q: How do giant tube worms receive their nutrition?
A: Giant tube worm is a completely marine invertebrate located under the phylum annelida. It has a…
Q: How does the wall lizard produce sound?
A: Lizard is a vertebrate that belongs to the Class Reptilia. Reptiles are generally characterized by…
Q: What are some potential selective advantages of paedomorphosis?
A: Paedomorphosis is a phenomenon in which an adult organism retains larval or juvenile traits. The two…
Q: Mention the function of the concha in the lizard's nasal chamber?
A: Lizard is a reptile that belongs to the Squamata order. There are nearly 6000 species of lizards…
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: Which part of opuntia is modified to form spines?
A: Plants do not show locomotion, so in order to survive in the environment, they undergo several…
Q: What is one of the main characteristics distinguishing arachnids from insects?
A: Arthropods are segmented invertebrate animals having a chitinous exoskeleton and jointed appendages.…
Q: What specialized cells of tentacles aid in capturing prey?
A: Several organisms such as mollusks, cnidarians, ctenophores, bryozoa, and cestodes contain…
Q: Explain syncytial blastoderm?
A: In most of the insects, superficial cleavage occurs in which the mitosis occurs without cytokinesis,…
Q: What does a milkweed bugs mouth look like
A:
Q: What is a tongue worm, and where would it be found?
A: Tongue worms are classified as the members of Pentastomida under the Phylum Arthropoda, because they…
Q: What is the role of blood sinuses in the cockroaches?
A: Introduction All aerobic organism need oxygen to survive. This oxygen can be taken either by skin…
Q: How does a kinorhynch burrow itself into the mud. Explain the locomotory mechanism.
A: As part of the meiobenthos, Kinorhyncha is a phylum of small marine invertebrates that can be found…
Q: Define paired pharyngeal gill slits?
A: The chordates are the members of phylum Chordata. They include humans and various other vertebrates.…
Q: Which is the typicalfeature of the hookwormsrelated to the way they obtainfood and explore the host?
A: Both Ancylostoma duodenale and Necator americanus have mouthparts with hooks or “enamel” that
Q: What is tape worm and its structure?
A: Worms can be divided into several groups, but are still technically decomposers. The first of these,…
Q: What is the function of the “pit” of pit vipers?
A: The snakes are considered as the monophyletic group of the order Squamata. Viper is any of more than…
Q: What’s an invertebrate?
A: RH Whittaker gave the five-kingdom classification and divided all the living organisms into the five…
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: Where do kinorhynchs live?
A: Kinorhynchs are tiny, spiny, clear, yellowish or reddish worms. They usually have 13 body segments:…
Q: in eathworms, Is the clitellum located near the anterior or posterior end? What does the clitellum…
A: Annelida are segmented worms that live in saltwater, freshwater, and wet terrestrial environments.…
Q: What is the role of head sinuses in the cockroaches?
A: Periplaneta americana (cockroach) are invertebrates that belong to the phylum Arthropoda. They have…
Q: How geckos stick to walls?
A: Geckos are nocturnal and docile. They hunt for insects. They can survive without water for many…
Q: Explain the mouth part of cockroaches.
A: Cockroaches are insects belonging to the phylum Arthropoda. They are omnipresent. They mostly prefer…
Q: How do the lancelet and lamprey differ in digestive tract and respiratory system?
A: Lancelet and lampreys are the vertebrate subgroups having a gelatinous body with dorsal nerve cord,…
Q: Give an account of eye of a bony fish?
A: Bony fishes are fishes belonging to the superclass Osteichthyes. They have bony structures in place…
Q: Explain pore canals in cockroaches.
A: Cockroaches belong to the class Insecta and order Blattodea. It is a common household pest that is…
Q: Spider Compare the spider to the clam and earthworm. What are the functions of the structures…
A: Spiders have eight legs and belong to class arachnida of Kingdom Arthropoda. While earthworms belong…
Q: How does a kinorhynch burrow itself into the mud, explain its locomotory mechanism
A: INTRODUCTION Kinorhyncha Kinorhyncha comes under the class Aschelminthes, they are closely related…
Q: What are some advantages of freshwater clams producing parasitic larvae that attach to the gills of…
A: Glochidia, parasitic larvae of freshwater clams, attach themselves to the gills and skin of fish.
Q: how does a light-colored exoskeleton make beetles better adapted to the environment?
A: Introduction Exoskeleton:- It is a rigid or articulated envelope that supports and protects the soft…
What is the purpose of gill slits?
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