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A) Malacostraca B) Arachnida C) Insecta D) Diplopoda
A) Barnacle B) Lobster C) Crayfish D) Shrimp
A) Exoskeleton B) Endoskeleton C) Shellac D) Carapace
A) Dungeness crab B) Coconut crab C) Japanese spider crab D) Blue crab
A) Molting B) Hibernation C) Camouflage D) Reproduction
A) Pistol shrimp B) Ghost shrimp C) Rock crab D) Alaskan king crab
A) Pereopods B) Chelipeds C) Scaphognathite D) Uropods
A) Crayfish B) Shrimp C) Lobster D) King crab
A) Snow crab B) Coconut crab C) Dungeness crab D) Horseshoe crab
A) Uropods B) Maxillipeds C) Swimmerets D) Chelipeds
A) 10 B) 4 C) 8 D) 6
A) Arachnology B) Carcinology C) Malacology D) Entomology
A) Artiodactyla B) Carnivora C) Primates D) Decapoda
A) Pistol shrimp B) Mantis shrimp C) Rock crab D) Ghost shrimp
A) Algae B) Detritus C) Small fish D) Plankton
A) Crawfish B) Fox C) Wolf D) Bear
A) Invertebrates without exoskeletons B) Those with shells or crusted ones C) Small aquatic animals D) Animals with multiple legs
A) Subphylum Crustacea B) Phylum Annelida C) Order Araneae D) Class Insecta
A) Mandibulata B) Pancrustacea C) Chelicerata D) Arachnida
A) Branchiopoda B) Oligostracans C) Cephalocarida D) Remipedia
A) Japanese spider crab B) American lobster C) Giant freshwater prawn D) Stygotantulus stocki
A) Segmented body B) Biramous limbs C) Moulting process D) Exoskeleton
A) Haemocoel B) Peritoneum C) Coelom D) Mesentery
A) Haemocyanin B) Myoglobin C) Cytochrome c D) Hemoglobin
A) USA B) India C) Japan D) China
A) Cretaceous B) Carboniferous C) Jurassic D) Triassic
A) Peracarids B) Anostracans C) Female Branchiura D) Copepods
A) Nurra B) Ophiomorpha C) Tesnusocaris D) Camborygma
A) Lobsters B) Crabs C) Shrimp and prawns D) Krill
A) Maxillipoda B) Branchiura C) Copepoda D) Mystacocarida
A) Branchiopoda B) Maxillopoda C) Remipedia D) Malacostraca
A) Cambrian B) Cretaceous C) Jurassic D) Permian
A) Guillaume Rondelet B) Pierre Belon C) Carl Linnaeus D) Morten Thrane BrĂ¼nnich
A) Leptostraca B) Canadaspidida C) Aeschronectida D) Mantis shrimp
A) Crustacean lice B) Peracarids C) Woodlice D) Krill
A) Malacostraca B) Branchiopoda C) Maxillopoda D) Cephalocarida
A) Cretaceous B) Jurassic C) Triassic D) Permian: Roadian
A) Viable eggs are produced by a female without fertilization by a male. B) Males and females switch roles during reproduction. C) Crustaceans reproduce through fragmentation. D) Eggs are fertilized externally in the water.
A) Absorbing nutrients B) Oxygenating blood C) Excreting waste D) Grinding food
A) Within the cephalothorax B) At the base of the antennae C) In the abdomen D) Near the dorsum
A) Budding B) Sexual reproduction C) Binary fission D) Spore formation
A) Cephalocarida B) Eriocheir sinensis C) T. californicus D) Hemigrapsus sanguineus
A) Maxillopoda B) Malacostraca C) Branchiopoda D) Ostracoda
A) Base excision repair B) Microhomology-mediated end joining C) Non-homologous end joining D) Homologous recombinational repair
A) Megalopa B) Nauplius C) Zoea D) Post-larva
A) About 50% B) Under 30% C) Nearly 80% D) Over 60%
A) First pair of antennae only B) Second pair of antennae and other limbs except the first pair C) No appendages D) All appendages in all classes
A) They have external fertilization in open water. B) They change sex during their life. C) Some are hermaphrodites. D) They reproduce only through parthenogenesis.
A) Penaeus monodon B) Tigriopus japonicus C) Homarus americanus D) Daphnia pulex
A) Attached to the pleopods B) In external ovisacs C) Between thoracic limbs D) In thin-walled sacs
A) Antennae for sensing B) Legs for walking C) Mouthparts for feeding D) Abdominal appendages
A) Carboniferous B) Triassic C) Jurassic D) Cambrian
A) They improve water quality. B) They have no noticeable effect. C) They affect local ecosystems. D) They increase biodiversity.
A) Terrestrial crabs B) Marine lobsters C) Deep-sea shrimp D) Coral reef fish
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) Isoxanthopterin B) Calcium carbonate C) Chitin D) Protein fibers
A) Crayfishes B) Ghost shrimps C) Crabs D) Prawns
A) Desert B) Aerial C) Aquatic D) Terrestrial only
A) Cretaceous B) Jurassic C) Triassic D) Carboniferous |