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