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Questions and Answers
Which of the following is the basis for animal classification?
Which of the following is the basis for animal classification?
- Body symmetry
- Nature of coelom
- Arrangement of cells (correct)
- Differences in structure and form
What is the purpose of animal classification?
What is the purpose of animal classification?
- To assign a systematic position to newly described species (correct)
- To describe different animal species
- To determine animal habitats
- To understand animal behavior
Which of the following is NOT a feature used for animal classification?
Which of the following is NOT a feature used for animal classification?
- Patterns of reproductive system
- Patterns of excretory system (correct)
- Patterns of circulatory system
- Patterns of digestive system
What is the level of organization in all members of Animalia?
What is the level of organization in all members of Animalia?
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Which animal group exhibits the same pattern of cell organization as sponges?
Which animal group exhibits the same pattern of cell organization as sponges?
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Study Notes
Animal Classification Basics
- Animal classification is primarily based on physical characteristics, genetic information, and evolutionary relationships among species.
- Purpose for classification includes organizing biodiversity, facilitating identification, and enhancing communication among scientists.
- Classification helps in studying animal behavior, ecology, and conservation efforts.
Features Used for Classification
- Common features used for classification include body symmetry, presence of a coelom, type of body plan, and embryonic development patterns.
- NOT a feature used for classification: color or external markings are typically excluded as they can be misleading.
Level of Organization in Animalia
- All members of the kingdom Animalia exhibit a cellular level of organization, characterized by specialized cells forming tissues and organs.
Group Same as Sponges
- The animal group that shares the same pattern of cell organization as sponges is the phylum Porifera, which consists of simple, multicellular organisms.
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