You are presented with the quiz "What breathes by relaxing the lungs?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals breathe with the help of a diaphragm" and "belly breathing uses the diaphragm, which helps relax the lungs".   So, what's the best answer to the question?
mammals
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You are presented with the quiz "Which parts do female duckbill platypus lack?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "female monotremes lack a uterus and vagina" and "monotremes include the duckbill platypus".   So, what's the best answer to the question?
uterus and vagina
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You are presented with the quiz "What are lion communities called?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lions live in social groups called prides" and "chimpanzees live in social groups called communities".   So, what's the best answer to the question?
prides
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You are presented with the quiz "Animals can compete for territory, water, food, or what?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "animals may compete for territory, water, food, or mates" and "mating Ducks usually look for a mate or partner in winter".   So, what's the best answer to the question?

partners
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