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Which phylum includes organisms such as spiders, insects, and crustaceans?
- a)Phylum Arthropoda
- b)Phylum Mollusca
- c)Phylum Echinodermata
- d)Phylum Porifera
Correct answer is option 'A'. Can you explain this answer?
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Which phylum includes organisms such as spiders, insects, and crustace...
Phylum Arthropoda includes organisms such as spiders, insects, and crustaceans. Arthropods are the largest phylum in the animal kingdom and exhibit a wide range of diversity in terms of species and habitats.
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Which phylum includes organisms such as spiders, insects, and crustace...
Phylum Arthropoda Overview
Phylum Arthropoda is the largest and most diverse group in the animal kingdom, encompassing a wide variety of organisms including spiders, insects, and crustaceans.
Key Characteristics of Arthropods:
- Exoskeleton: Arthropods possess a chitinous exoskeleton that provides protection and structural support.
- Jointed Appendages: They have segmented bodies with jointed appendages, which allow for greater mobility and versatility in movement.
- Body Segmentation: Their bodies are typically divided into distinct segments, often categorized into head, thorax, and abdomen.
- Respiratory Systems: Different respiratory systems, such as gills in crustaceans and tracheae in insects, adapt to various environments.
- Reproductive Diversity: Arthropods exhibit diverse reproductive strategies, including both sexual and asexual reproduction.
Examples of Arthropods:
- Spiders: Belong to the class Arachnida, characterized by eight legs and the ability to produce silk.
- Insects: The largest class within Arthropoda, known for their three-part body structure and wings in many species.
- Crustaceans: Primarily aquatic, this group includes crabs, lobsters, and shrimp, characterized by their gills and hard shells.
Importance of Arthropods:
- Ecological Roles: Arthropods play crucial roles in ecosystems as pollinators, decomposers, and as a food source for other animals.
- Human Impact: They have significant economic importance, contributing to agriculture (pollination) and fisheries.
In summary, Phylum Arthropoda is a vital group of organisms exhibiting unique adaptations that enable them to thrive in various habitats. Their diverse forms and functions make them essential for ecological balance and human interests.
Phylum Arthropoda is the largest and most diverse group in the animal kingdom, encompassing a wide variety of organisms including spiders, insects, and crustaceans.
Key Characteristics of Arthropods:
- Exoskeleton: Arthropods possess a chitinous exoskeleton that provides protection and structural support.
- Jointed Appendages: They have segmented bodies with jointed appendages, which allow for greater mobility and versatility in movement.
- Body Segmentation: Their bodies are typically divided into distinct segments, often categorized into head, thorax, and abdomen.
- Respiratory Systems: Different respiratory systems, such as gills in crustaceans and tracheae in insects, adapt to various environments.
- Reproductive Diversity: Arthropods exhibit diverse reproductive strategies, including both sexual and asexual reproduction.
Examples of Arthropods:
- Spiders: Belong to the class Arachnida, characterized by eight legs and the ability to produce silk.
- Insects: The largest class within Arthropoda, known for their three-part body structure and wings in many species.
- Crustaceans: Primarily aquatic, this group includes crabs, lobsters, and shrimp, characterized by their gills and hard shells.
Importance of Arthropods:
- Ecological Roles: Arthropods play crucial roles in ecosystems as pollinators, decomposers, and as a food source for other animals.
- Human Impact: They have significant economic importance, contributing to agriculture (pollination) and fisheries.
In summary, Phylum Arthropoda is a vital group of organisms exhibiting unique adaptations that enable them to thrive in various habitats. Their diverse forms and functions make them essential for ecological balance and human interests.
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