Podcast
Questions and Answers
What is the correct way to write a species name in the binominal system?
What is the correct way to write a species name in the binominal system?
Which of the following is NOT a principal taxon?
Which of the following is NOT a principal taxon?
What characterizes the Bryophyta division of the plant kingdom?
What characterizes the Bryophyta division of the plant kingdom?
Which phylum includes snails, clams, and octopuses?
Which phylum includes snails, clams, and octopuses?
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What is a characteristic of the Porifera phylum?
What is a characteristic of the Porifera phylum?
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What is a characteristic of the Cnidaria phylum?
What is a characteristic of the Cnidaria phylum?
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What is a characteristic of the Annelida phylum?
What is a characteristic of the Annelida phylum?
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Which characteristic is shared by all Mollusca?
Which characteristic is shared by all Mollusca?
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Which division of the plant kingdom produces seeds?
Which division of the plant kingdom produces seeds?
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What is the main function of a dichotomous key?
What is the main function of a dichotomous key?
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Which of the following is a characteristic of Chordata?
Which of the following is a characteristic of Chordata?
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What is the main difference between Oviparous and Viviparous reproduction?
What is the main difference between Oviparous and Viviparous reproduction?
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Which domain includes organisms with a vascular system?
Which domain includes organisms with a vascular system?
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Which characteristic is unique to Mammals?
Which characteristic is unique to Mammals?
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Study Notes
Binominal System
- Always written in italics
- Genus in capital letter, species in lower case
Taxonomic Ranks
- Principal taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species
Plant Kingdom Divisions
- Bryophyta: Mosses, very short stature
- Filicinophyta: Ferns and horsetails
- Coniferophyta: Pine trees
- Angiospermophyta: Flowering plants
Animal Kingdom Phylum
- Porifera: Sponges
- Cnidaria: Sea jellies and coral polyps
- Platyhelminthes: Flatworms
- Annelida: Segmented worms
- Mollusca: Snails, clams, octopuses
- Arthropoda: Insects, spiders, crustaceans
- Chordata: All vertebrates
Features of Plant Kingdom Divisions
- Bryophyta: No vascular system
- Filicinophyta: No seeds
- Coniferophyta: Naked seeds and cones
- Angiospermophyta: Vascular system, seed production in closed organs
Phylum Characteristics
- Porifera: Asymmetrical, water flows, diffuse oxygen
- Cnidaria: Radial symmetry, polyp and medusa, carnivorous
- Platyhelminthes: Bilateral symmetry, soft covering, feed on bacteria
- Annelida: Bilateral symmetry, tube-shaped, segmented
- Mollusca: Bilateral symmetry, some have shells, nervous system
- Arthropoda: Symmetrical, segmented body, chitin
- Chordata: Bilateral symmetry, distinct body shapes, complete digestive system
Taxon Characteristics
- Porifera: Asymmetrical, thin, no mouth or anus
- Cnidaria: Radial symmetry, no brain or heart
- Platyhelminthes: Bilateral symmetry, soft covering, incomplete digestive system
- Annelida: Bilateral symmetry, tube-shaped, segmented
- Mollusca: Bilateral symmetry, some have shells, nervous system
- Arthropoda: Symmetrical, segmented body, chitin
- Chordata: Bilateral symmetry, distinct body shapes, complete digestive system
Chordata Sub-Phylum Characteristics
- Fish: Bilateral symmetry, distinct body shapes, complete digestive system
- Amphibians: Bilateral symmetry, moist skin, complete digestive system
- Reptiles: Bilateral symmetry, dry scales, complete digestive system
- Birds: Bilateral symmetry, wings, feathers, complete digestive system
- Mammals: Bilateral symmetry, mammary glands, hair, complete digestive system
Dichotomous Keys
- Used to establish which taxa an organism belongs to
- Example: Questions about vascular system, seeds, and naked seeds to determine plant kingdom division
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Description
This quiz covers the basics of biological classification, including the binomial system, principal taxa, and divisions of the plant and animal kingdoms.
