A) Diplopoda B) Insecta C) Arachnida D) Malacostraca
A) Lobster B) Crayfish C) Shrimp D) Barnacle
A) Endoskeleton B) Shellac C) Exoskeleton D) Carapace
A) Blue crab B) Dungeness crab C) Japanese spider crab D) Coconut crab
A) Hibernation B) Molting C) Reproduction D) Camouflage
A) Pistol shrimp B) Ghost shrimp C) Alaskan king crab D) Rock crab
A) Pereopods B) Chelipeds C) Uropods D) Scaphognathite
A) Lobster B) Crayfish C) King crab D) Shrimp
A) Coconut crab B) Horseshoe crab C) Snow crab D) Dungeness crab
A) Chelipeds B) Swimmerets C) Uropods D) Maxillipeds
A) 6 B) 10 C) 8 D) 4
A) Malacology B) Entomology C) Carcinology D) Arachnology
A) Artiodactyla B) Primates C) Carnivora D) Decapoda
A) Ghost shrimp B) Rock crab C) Pistol shrimp D) Mantis shrimp
A) Detritus B) Small fish C) Plankton D) Algae
A) Crawfish B) Bear C) Wolf D) Fox
A) Invertebrates without exoskeletons B) Those with shells or crusted ones C) Animals with multiple legs D) Small aquatic animals
A) Phylum Annelida B) Order Araneae C) Class Insecta D) Subphylum Crustacea
A) Mandibulata B) Arachnida C) Pancrustacea D) Chelicerata
A) Cephalocarida B) Branchiopoda C) Remipedia D) Oligostracans
A) Japanese spider crab B) Stygotantulus stocki C) Giant freshwater prawn D) American lobster
A) Exoskeleton B) Moulting process C) Biramous limbs D) Segmented body
A) Haemocoel B) Mesentery C) Coelom D) Peritoneum
A) Myoglobin B) Cytochrome c C) Hemoglobin D) Haemocyanin
A) India B) Japan C) USA D) China
A) Carboniferous B) Jurassic C) Cretaceous D) Triassic
A) Copepods B) Anostracans C) Female Branchiura D) Peracarids
A) Ophiomorpha B) Tesnusocaris C) Camborygma D) Nurra
A) Shrimp and prawns B) Crabs C) Krill D) Lobsters
A) Copepoda B) Maxillipoda C) Branchiura D) Mystacocarida
A) Remipedia B) Malacostraca C) Branchiopoda D) Maxillopoda
A) Cretaceous B) Jurassic C) Permian D) Cambrian
A) Pierre Belon B) Guillaume Rondelet C) Morten Thrane Brünnich D) Carl Linnaeus
A) Aeschronectida B) Canadaspidida C) Mantis shrimp D) Leptostraca
A) Krill B) Woodlice C) Peracarids D) Crustacean lice
A) Maxillopoda B) Branchiopoda C) Malacostraca D) Cephalocarida
A) Permian: Roadian B) Cretaceous C) Triassic D) Jurassic
A) Eggs are fertilized externally in the water. B) Crustaceans reproduce through fragmentation. C) Viable eggs are produced by a female without fertilization by a male. D) Males and females switch roles during reproduction.
A) Excreting waste B) Oxygenating blood C) Absorbing nutrients D) Grinding food
A) At the base of the antennae B) Near the dorsum C) Within the cephalothorax D) In the abdomen
A) Budding B) Binary fission C) Spore formation D) Sexual reproduction
A) T. californicus B) Eriocheir sinensis C) Cephalocarida D) Hemigrapsus sanguineus
A) Malacostraca B) Maxillopoda C) Ostracoda D) Branchiopoda
A) Microhomology-mediated end joining B) Base excision repair C) Non-homologous end joining D) Homologous recombinational repair
A) Nauplius B) Post-larva C) Megalopa D) Zoea
A) Nearly 80% B) Over 60% C) Under 30% D) About 50%
A) All appendages in all classes B) First pair of antennae only C) No appendages D) Second pair of antennae and other limbs except the first pair
A) They change sex during their life. B) Some are hermaphrodites. C) They reproduce only through parthenogenesis. D) They have external fertilization in open water.
A) Homarus americanus B) Tigriopus japonicus C) Penaeus monodon D) Daphnia pulex
A) Attached to the pleopods B) Between thoracic limbs C) In external ovisacs D) In thin-walled sacs
A) Mouthparts for feeding B) Legs for walking C) Antennae for sensing D) Abdominal appendages
A) Jurassic B) Triassic C) Cambrian D) Carboniferous
A) They have no noticeable effect. B) They improve water quality. C) They affect local ecosystems. D) They increase biodiversity.
A) Marine lobsters B) Coral reef fish C) Terrestrial crabs D) Deep-sea shrimp
A) Almost 67,000 B) About 50,000 C) Less than 10,000 D) Over 100,000
A) Assist in maintaining directional swimming B) Serve as sensory organs C) Provide camouflage against predators D) Increase speed during swimming
A) Chitin B) Isoxanthopterin C) Calcium carbonate D) Protein fibers
A) Prawns B) Ghost shrimps C) Crabs D) Crayfishes
A) Desert B) Aquatic C) Aerial D) Terrestrial only
A) Jurassic B) Cretaceous C) Triassic D) Carboniferous |