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