In one to two sentences, explain how cats and dogs, both mammals, could be classified as distinct animals. What characteristics set them apart from one another
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Cats and dogs can be classified as distinct animals because they have different physical characteristics, behaviors, and nutritional needs. Cats are typically smaller and more independent, while dogs are typically larger and more social animals, often forming close bonds with their human companions.
Snails and beetles have exoskeletons. Hypothesize the advantages and disadvantages of having an exoskeleton rather than a backbone. Explain your answer in one to two sentences.
Having an exoskeleton provides protection from predators and external damage, as well as serving as a barrier against dehydration. However, an exoskeleton can limit growth and movement flexibility as the organism must molt to grow and may be heavier compared to organisms with endoskeletons.
Vertebrates include fish, amphibians, reptiles, birds, and mammals. Analyze the common characteristics of reptiles and explain how they differ from mammals. Explain your answer in one or two sentences.
Reptiles are cold-blooded, have scales or scutes, lay eggs, and breathe through lungs. Unlike mammals, reptiles typically have a three-chambered heart, are covered in scales or scutes, and do not nurse their young but rather lay eggs or give live birth.
