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Questions and Answers
Which of the following is a characteristic of the animal kingdom?
Which of the following is a characteristic of the animal kingdom?
- Photosynthetic mode of nutrition
- Asexual reproduction
- Cell walls made of cellulose
- Presence of a nervous system (correct)
What is the primary function of the exoskeleton in certain animals?
What is the primary function of the exoskeleton in certain animals?
- Gas exchange
- Protection and support (correct)
- Energy storage
- Temperature regulation
In which group of animals does external fertilization commonly occur?
In which group of animals does external fertilization commonly occur?
- Birds
- Mammals
- Amphibians (correct)
- Reptiles
What type of circulatory system is found in most insects?
What type of circulatory system is found in most insects?
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