Which is not true about Cnidarians? A1. Some cnidarians go through polyp stages and medusa stages A. some jellyfish looking things are not in the same Cnidarian class as the true jelly fish B. anemones have a sessile lifestyle which means they stay attached to the bottom C. Cnidarian stinging cells are called choanoflagellates D. corals have symbiotic algae called zooxanthellae, that they depend upon

Q: Why aren’t sponges eaten more by predators?a. They are protected by silica spicules.b. They are…

A: Sponge are multicellular aquatic animals that are member of phylum Porifera. Most sponges are…

Q: To what order do primitive mammals that lay eggs belong? A. Marsupials B. Craniata

A: The process through which an organism produces more of its own offspring is known as reproduction.…

Q: A zoologist is investigating an unidentified marine animal specimen. They note that this creature…

A: These properties of the symmetry of the found specimen are: Radial Symmetry along the short axis…

Q: sexual reproduction in cnidarians may be carried out by which body form? A. Medusa or polyp   B.…

A: The creation of a copy of something, a copy of something, or the act of sexual intercourse to create…

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: 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: What adaptation did lobe- finned fish have that was different than the previous organisms? A. lobes…

A: Introduction  Fish are aquatic vertebrates that lack limbs with digits, such as fingers or toes, but…

Q: Which animals lack a true circulatory system?a. cnidarians c. nematodesb. flatworms d. All of these…

A: Step 1 The circulatory system is a system connected with the flow of fluid in the body so as to…

Q: Which group of flatworms are primarily ectoparasites of fish? a. monogeneans b. trematodes c.…

A: The flatworms come under Phylum Platyhelminthes and comprise a very diverse group of worms.  The…

Q: A paramecium (ciliated protozoan) ingests a poison, the poison inhibits the function of its…

A: Paramecium The slipper like protozo having cillia all arround the cell wall.

Q: Which of the following groups includes all of the others? a. Protostomes c. Eumetazoans b.…

A: Taxonomy is that the observe of distinguishing completely different organisms, classifying them into…

Q: Suppose you find an animal that has a lateral line and a skeleton made out of cartilage. What class…

A: Every animal phylum poses some unique characteristics that are used for the identification of that…

Q: Which has a posterior flagellum that spits fluids that "burns" from its anal glands? A. Amblypygi B.…

A: Scorpions are the organisms that comes under the phylum arthropods in class arachnids. This are…

Q: Which of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d.…

A: Digestive system is one of the systems in the body which carries out digestion. Digestion is the…

Q: Which of the ff. has a repugnatorial gland and coils into a ball when disturbed? A. Diplopod B.…

A: Various species under the arthropoda phylum are classified under Myriapoda. These possess multiple…

Q: Corals belong to which of the following? a. comb jellies b. rotifers c. sponges d. None of these are…

A: Kingdom Animalia contains all animals. It is the largest kingdom of Animalia as compared to other…

Q: Which is predatory, uses fours leg, and the males have wings? A. Embiidina B. Dermaptera C.…

A: Insect with four legs and male bearing wings :-

Q: What characteristic is common to the flatworms, molluscs, and annelids? a. All have bilateral…

A: Organisms with a single plane of symmetry are called bilaterally symmetrical. Organisms which lack a…

Q: A coelomate organism may have which of the following characteristics? a. Circulatory system b.…

A: A coelomate organism may have which of the following characteristics?

Q: Which one is a characteristic of Archae?  A. Cell wall lacks peptidoglycan. B.  Lacks cell wall.…

A: Prokaryotes are the single celled organisms (unicellular) and are the simplest form, which do not…

Q: Which of these features is not shared by most animals at some stage in their lives?a. heterotrophy…

A: The organisms present in the world are highly diverse in terms of structure, function, and mode of…

Q: What is a key characteristic of all arthropods? a. Six legs c. Hydrostatic skeleton b. Pseudocoelom…

A: Arthropoda are invertebrate animals equipped with joint appendages. It is the largest phylum of…

Q: Which group of crustaceans has all of these attributes: - sessile, strongly attached to substrates…

A: Introduction Any member of the Crustacea subphylum (phylum Arthropoda), a collection of invertebrate…

Q: Water strider is a representative specimen of Hemiptera, which one is NOT their trait? a. The wings…

A: Hemiptera is an order of insects, comprising over 80,000 species within groups such as the cicadas,…

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: Which can be found in both the anterior and posterior regions of a nematode?    a. None among the…

A: Phasmids are present in lateral region. Sensory papillae are present on dorsal as well as ventral…

Q: Which group of echinoderms usually posses pentameric antimeres but some species may have more? A.…

A: Echinodermate's term was coined by J. Klein. These are exclusively marine organisms falling in the…

Q: Why is nematode species C. elegans so famous? A. t secretes a glue that may be useful for pacemaker…

A: C .    it makes an antibiotic ..... C. elegans nematodes have nerves, skin, intestines, muscles,…

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

A:

Q: If you had minimal resources to survive a disease related quarantine, as we’re currently…

A: Quarantine is the isolation of individuals that have arrived from an infectious disease affected…

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: Pretend you see an animal at the ocean under a rock. It's 4 cm long. At first you think it might be…

A: The Hemichordate has a worm like body consisting of anterior proboscis, intermediate collar and…

Q: a rabbit is a tetrapod. It has hair, a large brain, and acute vision and sense of smell. It nurses…

A: Any animal belonging to the subphylum Vertebrata, which is the most usual subphylum of the phylum…

Q: Which group of insects is known as a vector of several diseases to humans? A. Diptera B.…

A: There are a number of diseases which are spread by insect vectors such as malaria, dengue,…

Q: Which of the following is NOT a characteristic of annelids?   A.they have a closed circulatory…

A: THE animals that belong to phylum annelida are called anellids  or called segmented worms . , they…

Q: Match the organism to their body symmetry * sponges A. asymmetrical + earthworm B. bilateral *…

A: Body symmetry means that in how many equal parts an organism can be divided. If an organism is…

Q: Which of the following factors allows plethodontid (lungless) salamanders to survive and thrive…

A: Introduction :- Ectothermic refers to animals that regulate their body temperature by absorbing heat…

Q: 11. Which animals have stinging cells? Group of answer choices a.Cnidaria b.Arthropoda c.Mollusca…

A:

Q: Which of the following is a difference between Adapoids and Omomyoids?   A. Adapoids had a bony…

A: The question addresses a key differentiation between two groups of early primates, Adapoids and…

Q: Which group of invertebrates is most closely related to vertebrates? a. cephalochordates b.…

A: The phylum chordate contains subphylum vertebrata and invertebrates. In invertebrates, there will be…

Q: Pretend you find a clam-like thing with two shells, about 1 inch across. You open it and see a large…

A: Answer  B. Brachiopod

Q: look at the list below. Pick out the ones that are listed as part of the flat worms....   A.…

A: Worms refer to the invertebrate animals. They typically consist of long cylindrical tube-like…

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.