Flatworms, annelids, and roundworms are all______ . a. arthropods c. protostomes b. aceolomate d. radially symmetrical

Q: A barnacle is a shelled______ . a. arthropod c. cephalopod b. gastropod d. crustacean

A: The group of eukaryotic, multicellular, and heterotrophic organisms is classified under the kingdom…

Q: a) The cocoon in the earthworm is produced by the b) Most annelids possess tiny bristles called c)…

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction:…

Q: This limb is found in a member of kingdom animalia. The class/group that this limb matches to is: a)…

A: Limbs are appendages used for locomotion. Porifera stay attached to a substrate and don't move.…

Q: Which of the following is most closely related to lobsters and what characteristics are significant…

A: Lobsters are a group of crustaceans which are commercially important because they are consumed as…

Q: A- The animals above are members of EE Rp A. Echinodermata B. Hemichordata C. Pterobranchia D. A & B…

A: Answer: The animals above are members of - E) B&C. The animals are belong to phylum-…

Q: Which of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True…

A: The differentiation of the anterior end into the head is known as cephalization. It is associated…

Q: Flatworms can reach a maximum size of around 40cm. Whilst this is big for a worm, there are…

A: Introduction Flatworms or Platyhelminthes are acoelomate, bilaterally symmetrical, soft bodies…

Q: Cnidocytes (a) are characteristic of sponges (b) are found among cells lining the gastrovascular…

A: The group of eukaryotic and multicellular organisms that are heterotrophic and belong to the kingdom…

Q: The distinction between sponges and other animal phyla is based mainly on the absence versus the…

A: Answer is d.)  tissues.

Q: Crustaceans are _____. a. ecdysozoans b. nematodes c. arachnids d. parazoans

A: Answer is a.)  ecdysozoans.

Q: Trochophore larvae are characteristic of (a) arthropods (b) cnidarians (c) flatworms (d) mollusks…

A: Answer is d.)  mollusks.

Q: Gills are found ina. fish.b. marine arthropods.c. mollusks.d. All of the above

A: Gills in fish are located on both sides of the pharynx, they help them to breathe underwater.

Q: The sister taxon of the Chordata is the _____. a. Mollusca b. Arthropoda c. Ambulacraria d. Rotifera

A: All living organisms are classified based on their internal and external features. The science of…

Q: The larval stage of a cnidarian is known as a a. medusa. b. planula. c. polyp. d. cnidocyte.

A: Non-chordates are the life forms that do not have any backbone or notochord in their structure.…

Q: In the flatworm, flame cells are involved in what metabolic process? a. Reproduction b.…

A: Answer is d.) Osmoregulation.

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: The amniotes include all but the a. birds. c. mammals. b. reptiles. d. amphibians.

A: The organisms which have a fetal tissue called amnion are referred to as amniotes. It is found…

Q: a ECHINODERMATA B b E MOLLUSCA F NEMATODA A CNIDARIA d

A: Metazoa or animals are multicellular eukaryotic organisms that are included in the Animal kingdom.…

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: Forams (a) are endosymbionts that live in many marine invertebrates (b) were responsible for the…

A: Answer is C) secrete many chambered tests with pores through whivh cytoplasmic extensions project.

Q: Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and…

A: (a) radial and bilateral symmetry -  Bilateral symmetry is where the left and the right sides of the…

Q: Bivalves, cephalopods, and gastropods are alla. arthropods.b. lophophorans.c. cnidarians.d.…

A: Animal Kingdom is a diverse group, including organisms ranging from non-motile simple sponges to…

Q: Flatworms (platyhelminthes) possess a a. metanephridial system  b. protonephridial system c.…

A: Platyhelminthes are flatworms having many classes of triploblastic and are acoelomate flatworms that…

Q: Unlike bony fishes, amphibians havea. ears. b. jaws. c. a circulatory system.d. a heart.

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

Q: What organisms can survive without a mouth, digestive system, oranus?a. cnidarians  b. rotifers  c.…

A: Most of the animals have complete digestive system. The food is taken by mouth and waste is excreted…

Q: All of these animals catch plankton with feathery things except A. Phoronid B. Ribbon worm C. …

A: A diverse group of organisms present in water that is carried by tides and currents is referred to…

Q: Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid…

A: The segmented body is the most noticeable of the annelid phylum's identifying characteristics. The…

Q: Nematodes (roundworms) differs from an earthworm in that: O a. Nematodes have no body cavity. O b.…

A: Invertebrates are organism that do not posses a vertebral column throughout their life.  They are…

Q: In arthropods, the tracheal system isa. a unique set of structures that function in ingestion and…

A: Arthropoda belongs to the Kingdom Animalia and is known for having segmented bodies with appendages.…

Q: The function of the contractile vacuole in many freshwater protozoans is to: a) aid in mechanical…

A: Sponge cells and freshwater protozoans have contractile vacuoles as organelles. The bubble-like…

Q: Earthworms are most closely related to________ . a. tapeworms c. planarians b. roundworms d. leeches

A:

Q: Which invertebrate phylum includes the most species?a. mollusks c. arthropodsb. roundworms d.…

A:

Q: What is this animal? It is a many-segmented arthropod with mandibles and two pairs of legs per…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A (Millipede) Explanation : Millipedes Are…

Q: The closest living relatives of hagfishes are_____ . a. snakes c. lampreys b. sharks d. placoderms

A: The organisms that has a common ancestor can share a relativity of closeness among it. These…

Q: Turbellaria are flatworms that have most of their body filled with: O a. Alarge complex reproductive…

A: Turbellaria belongs to phylum Platyhelminthes and they are so named because they create turbulence…

Q: Cubozoans are ________. a. polyps b. medusoids c. polymorphs d. sponges

A: BASIC INFORMATION  PHYLUM CNIDARIA It is one of the phylum in the animal kingdom which constitutes…

Q: The oldest body fossils of a land animal are of_____ .a. insects c. cnidariansb. roundworms d.…

A:

Q: Annelids have (a): a. pseudocoelom. b. true coelom. c. no coelom. d. none of the above

A: Answer is b.)  true coelom.

Q: Insects that are primitive have a life cycle that differs from advanced insects in that: O a. They…

A: Answer:  PRIMITIVE INSECTS = primitive means old and those from early ages. primitive insects are…

Q: ______include the only winged invertebrates. a. Cnidarians c. Insects b. Echinoderms d. Crustaceans

A: Introduction :- Invertebrates are animals that do not have or develop a vertebral column, which is…

Q: Among living animals, only birds have_____ . a. a cloaca c. feathers b. amniote eggs d. a…

A: Introduction :- The tissue that will become the female fetus's intestinal, genital, and urinary…

Q: 1. Large colonies of polyps belonging to class Anthrozoa secrete hard skeletons of time which later…

A: Introduction  In biology, symmetry refers to the ordered repetition of parts in a living organism.…

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.