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Questions and Answers
Which of the following organisms is classified under the Class Insecta?
Which of the following organisms is classified under the Class Insecta?
What is the primary function of the alimentary canal in animals?
What is the primary function of the alimentary canal in animals?
Which insect order includes beetles?
Which insect order includes beetles?
What characterizes parthenogenic reproduction?
What characterizes parthenogenic reproduction?
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Which of the following best describes the septa in biology?
Which of the following best describes the septa in biology?
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Which characteristic applies to an organism that is dioecious?
Which characteristic applies to an organism that is dioecious?
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What is the function of the excurrent siphon in aquatic animals?
What is the function of the excurrent siphon in aquatic animals?
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Which of the following classes includes the American Lobster?
Which of the following classes includes the American Lobster?
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What is a significant evolutionary implication of the genes found in tunicates?
What is a significant evolutionary implication of the genes found in tunicates?
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Which of the following characteristics is NOT shared by organisms in subphylum Vertebrata?
Which of the following characteristics is NOT shared by organisms in subphylum Vertebrata?
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How does the notochord relate to vertebrae in vertebrates?
How does the notochord relate to vertebrae in vertebrates?
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How do gene duplication events contribute to evolutionary diversity?
How do gene duplication events contribute to evolutionary diversity?
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Which classes do hagfish and lampreys belong to?
Which classes do hagfish and lampreys belong to?
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What is a distinguishing feature of Chondrichthyes?
What is a distinguishing feature of Chondrichthyes?
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How do Chondrichthyes maintain buoyancy?
How do Chondrichthyes maintain buoyancy?
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What reproductive strategies do organisms in the class Chondrichthyes exhibit?
What reproductive strategies do organisms in the class Chondrichthyes exhibit?
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What characteristic is unique to organisms in the phylum Chordates?
What characteristic is unique to organisms in the phylum Chordates?
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Which structure is replaced by the vertebral column during the development of vertebrates?
Which structure is replaced by the vertebral column during the development of vertebrates?
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What are the major classes of echinoderms?
What are the major classes of echinoderms?
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Which aspect distinguishes Cephalochordata from Urochordata?
Which aspect distinguishes Cephalochordata from Urochordata?
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What defines hemichordates and distinguishes them from other invertebrates?
What defines hemichordates and distinguishes them from other invertebrates?
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How do lancets and tunicates differ in their adult forms?
How do lancets and tunicates differ in their adult forms?
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Which of the following is NOT a characteristic of chordates?
Which of the following is NOT a characteristic of chordates?
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What is one significant finding about tunicates that relates to their evolutionary connection with vertebrates?
What is one significant finding about tunicates that relates to their evolutionary connection with vertebrates?
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What is the primary function of setae in invertebrates?
What is the primary function of setae in invertebrates?
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Which of the following organisms is considered monoecious?
Which of the following organisms is considered monoecious?
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What distinguishes protostomes from deuterostomes during embryonic development?
What distinguishes protostomes from deuterostomes during embryonic development?
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Which type of coelom development occurs in protostomes?
Which type of coelom development occurs in protostomes?
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Which of the following phyla are classified as deuterostomes?
Which of the following phyla are classified as deuterostomes?
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What is the function of a gizzard in certain animals?
What is the function of a gizzard in certain animals?
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Which of the following structures is involved in excretion and osmoregulation in many invertebrates?
Which of the following structures is involved in excretion and osmoregulation in many invertebrates?
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What kind of cleavage pattern is characteristic of deuterostomes?
What kind of cleavage pattern is characteristic of deuterostomes?
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What is the primary function of pharyngeal clefts in invertebrate chordates?
What is the primary function of pharyngeal clefts in invertebrate chordates?
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Which characteristic is NOT typical of organisms in the class Osteichthyes?
Which characteristic is NOT typical of organisms in the class Osteichthyes?
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What is the role of Hox genes in the development of organisms?
What is the role of Hox genes in the development of organisms?
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How do certain bony fishes maintain buoyancy in the water column?
How do certain bony fishes maintain buoyancy in the water column?
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What distinguishes ray-finned fish from lobe-finned fish?
What distinguishes ray-finned fish from lobe-finned fish?
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Which of the following characteristics is NOT typical of tetrapods?
Which of the following characteristics is NOT typical of tetrapods?
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Which characteristic does the Tiktaalik fossil share with tetrapods?
Which characteristic does the Tiktaalik fossil share with tetrapods?
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What is the primary function of the lateral line system in bony fishes?
What is the primary function of the lateral line system in bony fishes?
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What is the primary reason amphibians need to stay close to water?
What is the primary reason amphibians need to stay close to water?
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Which of the following best describes the process of metamorphosis in amphibians?
Which of the following best describes the process of metamorphosis in amphibians?
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Which class of vertebrates includes frogs, salamanders, and caecilians?
Which class of vertebrates includes frogs, salamanders, and caecilians?
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What type of skin adaptation do amniotes have to reduce water loss?
What type of skin adaptation do amniotes have to reduce water loss?
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What is the role of the allantois in amniote embryos?
What is the role of the allantois in amniote embryos?
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Which of the following groups belong to the clade Amniotes?
Which of the following groups belong to the clade Amniotes?
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Which vertebrate class has the largest number of species?
Which vertebrate class has the largest number of species?
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How do reptiles typically lay their eggs compared to amphibians?
How do reptiles typically lay their eggs compared to amphibians?
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Study Notes
Arthropod Classes
- Class Insecta: Examples include houseflies, monarch butterflies, and honeybees.
- Class Arachnida: Examples include black widow spiders, scorpions, and ticks.
- Class Crustacea: Examples include lobsters, crabs, and shrimp.
- Class Myriapoda: Examples include centipedes and millipedes.
- Class Chelicerata: Examples include horseshoe crabs and sea spiders.
Insect Orders
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- Coleoptera (beetles)
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- Diptera (flies, mosquitoes, gnats)
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- Lepidoptera (butterflies and moths)
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- Hymenoptera (bees, wasps, ants, sawflies)
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- Orthoptera (grasshoppers, crickets, katydids)
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- Hemiptera (true bugs, cicadas, aphids, leafhoppers)
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- Odonata (dragonflies and damselflies)
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- Blattodea (cockroaches)
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- Isoptera (termites)
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- Mantodea (praying mantises)
Definitions
- Alimentary canal: Continuous tube from mouth to anus for digestion and waste elimination
- Parthenogenic: Asexual reproduction from unfertilized eggs.
- Incurrent siphon: Structure to allow water intake.
- Excurrent siphon: Structure to allow water outflow.
- Septa: Thin walls dividing sections (e.g., in fungi, earthworms).
- Setae: Bristle-like structures for locomotion (e.g., annelids).
- Nephridium: Organ for waste removal and osmoregulation.
- Crop: Digestive organ for food storage.
- Gizzard: Digestive organ for grinding food.
- Monoecious: Organism with both male and female reproductive organs.
- Dioecious: Organism with separate male and female reproductive organs.
Echinoderms and Hemichordates
- Protostome: First opening is the mouth during embryonic development.
- Deuterostome: Second opening is the mouth during embryonic development.
- Protostome phyla: Arthropods, molluscs, annelids, nematodes.
- Deuterostome phyla: Chordates, echinoderms, hemichordates.
- Echinoderm characteristics: Radially symmetrical, marine invertebrates, water vascular system, tube feet, calcareous endoskeleton.
Chordates and Chondrichthyes
- Chordate characteristics: Bilaterally symmetrical, triploblastic organisms, well-developed coelom, complete digestive system.
- Dorsal hollow nerve cord: Forms from ectoderm folding inward during development; provides structural support and movement
Osteichthyes
- Osteichthyes characteristics: Bony skeleton, operculum, swim bladder, lateral line system.
- Buoyancy: Some store oils in livers or use swim bladders.
Amphibia
- Amphibian Characteristics: Ectothermic, moist permeable skin, larval stage (tadpole) with gills, followed by metamorphosis to adult form, lack scales, feathers or hair, often need water.
Reptiles
- Reptile characteristics: Ectothermic, dry scaly skin, breathe through lungs, lay soft-shelled, leathery eggs on land.
- Ectothermic/Endothermic: Ectotherms regulate body temp externally, endotherms internally. Ectotherms require less energy, while endotherms require more energy but are more stable in temp.
Tetrapoda
- Tetrapoda characteristics: Adapted for life on land, four limbs, possess bony endoskeleton with vertebral column, breathe through lungs.
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Description
Explore the diverse classes of arthropods and various orders of insects in this quiz. Learn about fascinating examples like houseflies, monarch butterflies, and black widow spiders. Test your knowledge on definitions and characteristics of these creatures.
