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science studystack
Question | Answer |
---|---|
what are the three groups of mammals? | Monotremes, Marsupials, and Placental mammals. |
What do monotremes do? What is an example of a monotreme? | They lay eggs. Platypus. |
What do marsupials have? What is an example of a marsupial? | pouches, hair, and mammary glands. Kangaroo and Opossum. |
what are two things that placental mammals have? What is an example? | placenta and umbilical cord (they are attached.)A horse. |
What are endothermic animals? | animals that can control their body heat by internal means. |
What are ectothermic animals? | Animals thats body heat is controlled by its surroundings. |
Gove two examples of a cartilage fish? | Shark and Ray. |
Give an example of what a endothermic animal would do to try and cool itself down? | sweating/panting. |
What kind of animal is a frog | Amphibian |
What happens to tadpoles gills as they grow up? | Skin keeps on growing on top so by the time they are a frog their gills have turnrd into lungs. |
How many heart chambers does adult frog have? | 3. |
How many heart chambers does a baby frog have? | 2. |