In one or two sentences, explain how cats and dogs, both mammals, could be classified as distinct animals. What characteristics set them apart from one another?
Cats and dogs are distinct animals because they have different physical characteristics, behaviors, and daily needs. Dogs are generally larger, more social, and require more exercise, while cats are smaller, more independent, and have a higher tendency to groom themselves.
classifcation unit test anxsers
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Snails and beetles have exoskeletons. Hypothesize the advantages and disadvantages of having an exoskeleton rather than a backbone. Explain your answer in one or two sentences.(2 points)
The advantages of having an exoskeleton are that it provides protection against predators and helps retain moisture for organisms that live on dry land. The disadvantages include limiting an organism's growth and movement due to the rigid structure of the exoskeleton, unlike a backbone that provides more flexibility.
Vertebrates include fish, amphibians, reptiles, birds, and mammals. Analyze the common characteristics of reptiles and explain how they differ from mammals.
Common characteristics of reptiles include having dry, scaly skin, laying eggs, and being cold-blooded. They differ from mammals in that they don't have fur or hair to regulate body temperature and they typically lay eggs instead of giving birth to live young. Additionally, reptiles breathe through their lungs, while some mammals like dolphins have adapted to breathe through blowholes. Finally, reptiles often have a much slower metabolism than mammals.
two sentence
Reptiles have dry, scaly skin, lay eggs, and are cold-blooded, while mammals have fur or hair to regulate body temperature, give birth to live young, breathe through their lungs or blowholes and have a higher metabolism than reptiles.
