Crustacea manage to swim backward by means of their (choose two) telson uropods siphon gill bailers swimmerets cervical-thoracic groove chelipeds

Q: Match locomotion types with the appropriate taxa Gastropoda [ Choose ] peristaltic burrowing jet…

A: Locomotion is usually the word that defines the ability or allows us to move from one location to…

Q: What are shared characteristics of all Molluscs? Choose All That Apply visceral mass mantle muscular…

A: Mollusc is the second largest phylum in animal kingdom. They can be terrestrial or aquatic. They…

Q: Segmentation in the earthworm is not exemplified bya. body rings.b. coelom divided by septae.c.…

A: Earthworm is a reddish brown terrestrial invertebrate that inhabits the upper layer of the moist…

Q: Which of these does not pertain to a protostome?a. spiral cleavageb. blastopore is associated with…

A: In the animal kingdom, after the fusion of male and female gamete, a diploid zygote is formed. This…

Q: The cirripedia are used for the purpose of grindng food particles prior to their entry to the…

A: It is an arthropod belonging to the infraclass Cirripedia of the subphylum Crustacea. It is related…

Q: ard calcium carbonate structures are sed as skeleton by: Echinodermata Arthropoda

A: skeleton is a structural frame that supports an animal body. It is of two types endoskeleton and…

Q: What is the basic anatomy of a flatworm (scolex, proglottids)

A: Ans. Taxonomy is the science of the classification of organisms. Each species found so far has been…

Q: Flatworms (platyhelminthes) possess a O A. metanephridial system B. protonephridial system O C.…

A: Flatworms are unsegmented organisms that are bilaterally symmetrical and are acoelomates. They have…

Q: Stalked jellyfishes" belong to which class?    A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E.…

A: Stalked Jellyfishes are the sole living members of Class Staurozoa.

Q: Cuttlefish pen (invertebrate endoskeleton) is composed of (a) chitin (b) collagen (c) calcium…

A: The phylum mollusca (invertebrates) shows the presence of shell. The shell may be internal or…

Q: The tapeworms (cercomeromorpha) are not considered to be segmented animals because;

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: 40. A marine biologist asked you to look out for Echinodermata in an expedition. Which of these…

A: The first organism that is listed is a crab. It shows presence of jointed appendages and shows an…

Q: Which of the following classes of arthropod possess chelicerae? a. Chilopoda b. Crustacea c.…

A: Answer is d.) Chelicerata.

Q: Which of the following lack setae: earthworms polychaetes leeches nemerteans

A: Annelid setae are stiff bristles present on the body. For example : eathworms , leeches and…

Q: Serial segmentation is a key characteristic of which of the following phyla? a. Mollusca b.…

A: The organisms of the ecosystem have significant properties. Depending upon the different features of…

Q: The presences of which of the following anatomicals would best distinguish a gastropod from a…

A: An organism refers to a living thing that has an organized structure which can react to stimuli,…

Q: Choose all the phyla we looked at in this lab that have a hydrostatic skeleton. nematodes molluscs…

A: Nematodes, mollusca and annelids all the three have hydrostatic skeleton. The hydrostatic skeleton…

Q: Nematodes once were thought to be closely related torotifers due to the presence of a pseudocoelom…

A: Nematodes:         Nematodes can be otherwise known as roundworms, which comes under the hood of…

Q: Which of the following is not characteristic of arthropods? (a) exoskeleton (b) pseudocoelom (c)…

A: Answer is b.) pseudocoelom.

Q: Collar cells (choanocytes) are characteristic of (a) poriferans (b) cnidarians (c) most coelomates…

A: Cnidarians :  for example : hydra, jelly fish etc are aquatic animals, they have cnidocytes to…

Q: Sponges are Radially symmetrical Bilaterally symmetrical Asymmetrical Dorso- ventrally…

A: The animals can be classified into three distinct classes depending on their body symmetry:…

Q: It forms pseudopods that ooze forward or backward. It contracts longitudinal muscles, which puts…

A: Ans- It contracts longitudinal muscles, which puts pressure on the hydrostatic skeleton and causes…

Q: 12. Para gastric cavity of sponges in lined by Chromocytes Pincocytes Choanocytes Amoebocytes а. b.…

A: Sponges are categorized into several classes depending on their specific characteristics.

Q: Members of Phylum Chordata (Chordates) All of the above All have gills as adults Display gill slits…

A: Chordates are animals which are more complex than others.  They are found in large numbers .

Q: Earthworms are segmented animals. All of the following are present on/in most segments of an…

A: Origin The origin of earthworms was said to be on earth around 200 million ago. Their ancestors were…

Q: What are copepods and diatoms. What are their mechanisms for locomotion and gathering energy.

A: Crustaceans are a large group of invertebrates with a wide range of species.

Q: Nematodes and arthropods both (develop an anus from the blastopore formed during…

A: Nematode and arthropods fall under one same ancestor clade i.e. Ecdysozoa.  Nematodes are roundworms…

Q: Which of the following is true about polychate worms (Feed using nematocysts/ part of the ecdysozoa/…

A: All animals are classified according to their presence of characteristics such as characters,…

Q: Which statement about protostomes is true? O They are radially symmetrical. They have a complete…

A: The group of eukaryotic organisms that are heterotrophic and multicellular is called animals. There…

Q: Draw a simple diagram (cross section) to distinguish between a coelomate and either a…

A: The coelom is the term used to describe a body cavity inside the body that contains and surrounds…

Q: Match each structure with its descriptions. ____ radula                     a. internal skeleton…

A: Human anatomy and physiology are concerned with how the human body works to keep itself alive and…

Q: The earthworms are different than the leaches in that the earthworms move by; Using chetae to anchor…

A: According to the question, we have to explain the reason the earthworms are different than the…

Q: Although tunicate larvae have a notochord, adult tunicates do not. The reason for this is; The…

A: Even though Tunicates come under the category of Chordates but they do not have notochord.

Q: The Icefish belongs to the family called: Serranidae Bathydraconidae Notothenioid fishes…

A: The icefish is also known as crocodile icefish or white blooded fishes. They lack haemoglobin in…

Q: Mouth Second Asymmetrical Animals Symmetrical Animals Spiny Skin Radial Symmetry Bilateral Symmetry…

A: * Assymetrical animal is porifera * Symmetrical animals are eumetazoans *radial symmetry exhibited…

Q: Which of the following is a correct pair? O A. protonephridia - earthworm O B. metanephridia –…

A: The process of expulsion of toxic materials from the body is referred to as excretion.

Q: Members of the Molluscan class Polyplacophora differ from ALL other classes of Mollusks in that…

A: Molluscs are soft bodied , bilaterally symmetrical,  segmented, celomate animals, usually shelled…

Q: Nematodes differ from annelids in that they are segmented. they are triploblastic. they have a…

A: Nematodes are found in a variety of environments, such as soil, marine, and freshwater, and various…

Q: Annelids (include leeches, earthworms and polychaete worms/ use their coeloms as hydrostatic…

A: Annelida is a group of segmented worms. They have a long and segmented body. Annelids are…

Q: Which of the following structures would be found in the mesohyl of a sponge? amoebocytes and…

A: The mesohyl is the layer of the sponge that is composed of a collagen-filled matrix and shows the…

Q: If an animal has coelom, you also would expect it to exhibit: cephalization bilateral symmetry a…

A: The coelom is the fundamental body cavity in many animals and is situated inside the body to…

Q: In order to flip themselves upright, horseshoe crabs use their: Chelipids Telson Gnathobases Spatula…

A: As per our honor code, we are allowed to answer only one question at a moment. You have posted more…

Q: Which of the following is NOT a description of the Arthropods? Exhibits true segmentation in the…

A: Introduction Arthropods:- These are invertebrate animals having an exoskeleton, a segmented body,…

Q: Vinegar eels describe their movement and describe its movement of earthworm

A: The earthworm is a terrestrial invertebrate that belongs to the phylum known as Annelida. They…

Q: Which of the following Phylum arealso called flatworms?A. Mollusca      B. ChordataC. Ctenophora  D.…

A: The animal kingdom is divided into many phyla. The major species of the animal kingdom include…

Q: Can have both a medusa stage and a polyp stage (both in water) 1. Echinodermata2. Platyhelminthes3.…

A: The kingdom Animalia is classified into vertebrates and invertebrates. Some of the invertebrate…

Q: Sea urchins have radial symmetry. Explain why they are not classified as Radiata along with the…

A: Introduction  There is alot of animal diversity present on earth. There are many simpler forms…

Q: You find a bivalve mollusc with very short siphons.  You can thus predict that inhabits a shallow…

A:

Q: Leeches are members of the phylum _ in the clade of bilaterally symmetric animals called _…

A: Leeches are ectoparasites and do not possess any parapodia or setae. They have a peculiar connective…

Q: Which phylum of animals shows radial symmetry and has tentacles with stinging cells? Nematoda…

A: Based on the symmetry of the body, animals can be classified into three types, namely radial…

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.