Scelta multipla
Researchers are studying two populations of sea turtles to determine if they belong to the same species. According to the biological species concept, which criterion should they primarily use?
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1. Introduction to Biology
Introduction to Taxonomy
Scelta multipla
Which characteristic do both fungi and arthropods share?
A
Both reproduce exclusively by binary fission.
B
Both are capable of photosynthesis.
C
Both have cell walls made of chitin.
D
Both possess vertebral columns.
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Understand the question: The problem is asking for a shared characteristic between fungi and arthropods. Carefully analyze the options provided to identify the correct shared trait.
Review the characteristics of fungi: Fungi are eukaryotic organisms that have cell walls made of chitin, a strong, flexible polysaccharide. They do not reproduce by binary fission, are not capable of photosynthesis, and do not possess vertebral columns.
Review the characteristics of arthropods: Arthropods are invertebrate animals with exoskeletons made of chitin, segmented bodies, and jointed appendages. They do not reproduce by binary fission, are not capable of photosynthesis, and do not possess vertebral columns.
Compare the traits of fungi and arthropods: Both fungi and arthropods share the presence of chitin, though in different structures (fungi in their cell walls and arthropods in their exoskeletons). None of the other options apply to both groups.
Conclude the shared characteristic: The correct shared characteristic is that both fungi and arthropods have structures made of chitin, specifically cell walls in fungi and exoskeletons in arthropods.
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