What are Dicyemidae primarily known for? A) Being parasitic in marine animals B) Living in freshwater environments C) Being free-living organisms D) Exhibiting complex life cycles Answer: A) Being parasitic in marine animals Dicyemidae are commonly found in the body cavities of which type of animals? A) Fish B) Insects C) Cephalopods D) Mammals Answer: … Read more
What are Priapulids commonly known as? A) Sea cucumbers B) Penis worms C) Horsehair worms D) Ribbon worms Answer: B) Penis worms. Which phylum do Priapulids belong to? A) Mollusca B) Annelida C) Arthropoda D) Priapulida Answer: D) Priapulida. What is the typical habitat of Priapulids? A) Freshwater environments B) Terrestrial environments C) Marine sediments … Read more
What is a defining characteristic of sponges in the class Homoscleromorpha? A) Presence of calcareous spicules B) Possession of siliceous spicules C) A well-defined basal lamina D) Ability to photosynthesize Answer: C) A well-defined basal lamina. Homoscleromorpha sponges are primarily found in which type of habitat? A) Freshwater B) Terrestrial C) Marine environments D) Intertidal … Read more
What is the primary characteristic of sponges in the class Demospongiae? A) They have calcareous spicules. B) They have siliceous spicules and a fibrous skeleton. C) They lack spicules. D) They have organic spicules. Answer: B) They have siliceous spicules and a fibrous skeleton. Demospongiae sponges are commonly known for their: A) Glass-like structure B) … Read more
What is the primary characteristic of sponges in the class Hexactinellida? A) They have siliceous spicules. B) They have calcium carbonate spicules. C) They lack spicules. D) They have organic spicules. Answer: A) They have siliceous spicules. Hexactinellida sponges are commonly known as: A) Glass sponges B) Stone sponges C) Marine sponges D) Freshwater sponges … Read more
What is the primary characteristic of sponges in the class Calcarea? A) They have siliceous spicules. B) They have calcium carbonate spicules. C) They lack spicules. D) They have organic spicules. Answer: B) They have calcium carbonate spicules. Which of the following habitats do Calcarea sponges primarily occupy? A) Freshwater B) Marine C) Terrestrial D) … Read more
What are Monogeneans commonly known as? A) Flukes B) Ectoparasites C) Roundworms D) Tapeworms B) Ectoparasites Monogenea belong to which phylum? A) Nematoda B) Platyhelminthes C) Annelida D) Arthropoda B) Platyhelminthes What type of host do Monogeneans primarily infect? A) Mammals B) Birds C) Fish D) Reptiles C) Fish Which structure is primarily used by … Read more
What are Cestodes commonly known as? A) Roundworms B) Flatworms C) Tapeworms D) Flukes C) Tapeworms Cestodes belong to which phylum? A) Nematoda B) Annelida C) Platyhelminthes D) Arthropoda C) Platyhelminthes What type of body symmetry do Cestodes exhibit? A) Radial symmetry B) Bilateral symmetry C) Asymmetry D) Spherical symmetry B) Bilateral symmetry Which part … Read more
What are Trematodes commonly known as? A) Roundworms B) Flatworms C) Flukes D) Leeches C) Flukes What type of body symmetry do Trematodes exhibit? A) Radial symmetry B) Bilateral symmetry C) Asymmetry D) Spherical symmetry B) Bilateral symmetry Trematodes are primarily known for being: A) Free-living B) Parasitic C) Photosynthetic D) Decomposers B) Parasitic Which … Read more
What is the primary habitat of Turbellaria? A) Marine B) Freshwater C) Terrestrial D) All of the above D) All of the above Which type of body symmetry do Turbellarians exhibit? A) Bilateral symmetry B) Radial symmetry C) Asymmetry D) Spherical symmetry A) Bilateral symmetry What is the primary mode of locomotion for most Turbellarians? … Read more