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A) Insecta B) Diplopoda C) Malacostraca D) Arachnida
A) Barnacle B) Shrimp C) Crayfish D) Lobster
A) Endoskeleton B) Shellac C) Carapace D) Exoskeleton
A) Japanese spider crab B) Blue crab C) Dungeness crab D) Coconut crab
A) Camouflage B) Reproduction C) Hibernation D) Molting
A) Ghost shrimp B) Pistol shrimp C) Alaskan king crab D) Rock crab
A) Pereopods B) Chelipeds C) Uropods D) Scaphognathite
A) Crayfish B) Shrimp C) King crab D) Lobster
A) Dungeness crab B) Horseshoe crab C) Coconut crab D) Snow crab
A) Maxillipeds B) Chelipeds C) Swimmerets D) Uropods
A) 10 B) 8 C) 6 D) 4
A) Malacology B) Entomology C) Arachnology D) Carcinology
A) Artiodactyla B) Decapoda C) Carnivora D) Primates
A) Mantis shrimp B) Ghost shrimp C) Rock crab D) Pistol shrimp
A) Detritus B) Algae C) Plankton D) Small fish
A) Bear B) Crawfish C) Fox D) Wolf
A) Animals with multiple legs B) Invertebrates without exoskeletons C) Small aquatic animals D) Those with shells or crusted ones
A) Order Araneae B) Subphylum Crustacea C) Phylum Annelida D) Class Insecta
A) Arachnida B) Pancrustacea C) Chelicerata D) Mandibulata
A) Branchiopoda B) Oligostracans C) Cephalocarida D) Remipedia
A) American lobster B) Giant freshwater prawn C) Japanese spider crab D) Stygotantulus stocki
A) Biramous limbs B) Exoskeleton C) Segmented body D) Moulting process
A) Coelom B) Peritoneum C) Haemocoel D) Mesentery
A) Myoglobin B) Cytochrome c C) Hemoglobin D) Haemocyanin
A) China B) Japan C) USA D) India
A) Triassic B) Carboniferous C) Cretaceous D) Jurassic
A) Copepods B) Anostracans C) Female Branchiura D) Peracarids
A) Camborygma B) Tesnusocaris C) Nurra D) Ophiomorpha
A) Lobsters B) Shrimp and prawns C) Crabs D) Krill
A) Mystacocarida B) Maxillipoda C) Copepoda D) Branchiura
A) Malacostraca B) Maxillopoda C) Branchiopoda D) Remipedia
A) Permian B) Cretaceous C) Jurassic D) Cambrian
A) Carl Linnaeus B) Morten Thrane BrĂ¼nnich C) Guillaume Rondelet D) Pierre Belon
A) Mantis shrimp B) Canadaspidida C) Aeschronectida D) Leptostraca
A) Peracarids B) Woodlice C) Krill D) Crustacean lice
A) Branchiopoda B) Cephalocarida C) Maxillopoda D) Malacostraca
A) Triassic B) Permian: Roadian C) Cretaceous D) Jurassic
A) Crustaceans reproduce through fragmentation. B) Eggs are fertilized externally in the water. C) Viable eggs are produced by a female without fertilization by a male. D) Males and females switch roles during reproduction.
A) Oxygenating blood B) Grinding food C) Absorbing nutrients D) Excreting waste
A) In the abdomen B) Within the cephalothorax C) Near the dorsum D) At the base of the antennae
A) Spore formation B) Sexual reproduction C) Budding D) Binary fission
A) Hemigrapsus sanguineus B) Cephalocarida C) Eriocheir sinensis D) T. californicus
A) Maxillopoda B) Ostracoda C) Branchiopoda D) Malacostraca
A) Base excision repair B) Homologous recombinational repair C) Microhomology-mediated end joining D) Non-homologous end joining
A) Nauplius B) Megalopa C) Post-larva D) Zoea
A) Under 30% B) About 50% C) Nearly 80% D) Over 60%
A) No appendages B) First pair of antennae only C) Second pair of antennae and other limbs except the first pair D) All appendages in all classes
A) They have external fertilization in open water. B) Some are hermaphrodites. C) They reproduce only through parthenogenesis. D) They change sex during their life.
A) Homarus americanus B) Daphnia pulex C) Penaeus monodon D) Tigriopus japonicus
A) Between thoracic limbs B) In external ovisacs C) Attached to the pleopods D) In thin-walled sacs
A) Legs for walking B) Abdominal appendages C) Mouthparts for feeding D) Antennae for sensing
A) Triassic B) Cambrian C) Carboniferous D) Jurassic
A) They increase biodiversity. B) They have no noticeable effect. C) They affect local ecosystems. D) They improve water quality.
A) Terrestrial crabs B) Coral reef fish C) Deep-sea shrimp D) Marine lobsters
A) Almost 67,000 B) About 50,000 C) Over 100,000 D) Less than 10,000
A) Increase speed during swimming B) Serve as sensory organs C) Provide camouflage against predators D) Assist in maintaining directional swimming
A) Calcium carbonate B) Protein fibers C) Isoxanthopterin D) Chitin
A) Crabs B) Crayfishes C) Ghost shrimps D) Prawns
A) Desert B) Terrestrial only C) Aquatic D) Aerial
A) Triassic B) Cretaceous C) Jurassic D) Carboniferous |