Which of the following is NOT true about nematocysts? O They are structures housed in special cells called cnidocytes. O They subdue prey. They are found in Porifera. They are "stinging structures" for defense.

Q: What arthropod characteristics are likely to have contributed to their success on land? Choose all…

A: The arthropods are eukaryotic animals belonging to the kingdom Animalia and phylum Arthropoda.…

Q: All acoelomate bilateral animals have protonephridia. Group of answer choices True False

A: ▪︎Acoelomates are the organisms which do not possess a body cavity.They are triploblastic, their…

Q: completely converted into the water-vascular system. restricted to a small space around the gonads.…

A: Echinoderms have a spacious coelom (an open, fluid-filled body cavity lined with tissue), large…

Q: Monotremes all have what unifying feature? Arthropod-like pincers Placenta Ventral pouch Ability to…

A: Mammals belonging to the order Monotremata are known as monotremes. The Monotremata are the oldest…

Q: Many arthropods have multiple distinct life stages. True False

A: Answer: The right option is: TRUE

Q: Which of the following characteristics are unique to a ctenophore? Do not possess nematocysts; A…

A: Question - Which of the following characteristics are unique to a ctenophore? A) Do not possess…

Q: Nematodes are acoelomate animals (True/False)

A: Acoelomate animals are those animals which have no coelom or body wall present in them. Thus a…

Q: Patrick the starfish and his friend Susie the sand dollar are both members of the

A: Patric the starfish and Suie the sand dollar are anime characters from the animated series SpongeBob…

Q: true/false 1. Siphonaptera has a laterally flattened body. 2. Sawflies have crochets on their…

A: The answers is given below

Q: The proglottid is: the attachment organ of liver flukes the multi-unit osmoregulatory unit of the…

A: In this question, we have to select the correct option.

Q: An organism classified in phylum Mollusca that is a predator with tentacles, a brain and complex…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: Closest to Chordata 1. Echinodermata 2. Platyhelminthes 3. Annelida 4. Porifera 5. Chordata 6.…

A: The animals of the phylum Chordata possess a notochord, a dorsal nerve cord, an endostyle,…

Q: 82 81 83 80 O 79 78 75 76 77

A: Leeches have segmentation, they are parasitic or predator insects which belong to the order…

Q: Explain how cnidocytes with their nematocysts function in food capture and defense.

A: Cnidocytes are specialized cells and these define the phylum Cnidaria. These contain an explosive…

Q: Which of the following animals is most closely related to hemichordates? Cow Earthworm Fish Crab Sea…

A: Hemichordates is the phylum that consist are worm-like invertebrates usually marine in nature.…

Q: Serial repetition of the body parts is most specifically referred to a O tacky metamerization…

A: As per batleby guidelines we have answer only  1 : You can repost rest of the question  Thankyou .

Q: In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system…

A: INTRODUCTION Flatworms These are acoelomic unsegmented worm having bilateral symmetry, and three…

Q: Cnidarians development will continue to include the stage. --- Gastrula Zygote Blastula Gamete

A: Cnidarians are also commonly known as coelenterates. They are a phylum under Kingdom Animalia that…

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: The basic body plan of a mollusk is to have a head, foot, and visceral mass. In the case of the…

A: Cephalopods are members of the mollusk class. Cuttlefish, octopus, squid, or nautilus are few…

Q: clitellum is the: Hirudina Cestoda Oligochaeta Platyhelminthes Permoclitellata All lack a permanent…

A: Clitellum is a glandular and unsegmented region of earthworms. It is situated near the head region…

Q: Oligochaetes have     well-developed heads     chaetae for locomotion     lungs for…

A: Oligochaetae is a subclass of animals in the phylum Annelida, which is made up of many types of…

Q: Why is the presence of a coelom advantageous? O it allows room for the development and movement of…

A: The coelom is lined by a muscular tissue called the peritoneum that encloses the internal organs.…

Q: Sponges are also found in freshwater, though not as numerous as the marine varieties. One example of…

A: Spongilla is a kind in sponges of freshwater. They have a resting stage known as gemmules to survive…

Q: Both Porifera and Placozoa possess epithelial tissues. True False

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

Q: The following taxa have many species that commonly reproduce asexually. Choose all that apply.…

A: Out of the given options, the species that commonly reproduce asexually are - Platyhelminthes,…

Q: 11) Turbellarians are free-living worms in Phylum Platyhelminthes. They have a thin, very flat body…

A: Turbellarians are mostly free-living but some are ectocommensals or endocommensals or parasites.…

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.