Mammals
in example sentence
Most
mammals
and reptiles rely on a flexible rib cage that expands to allow them to breathe, but turtles use abdominal muscles attached to the shell instead: one to breathe in, and one to breathe out.
More example sentences with word mammals
That's quite a bit more than just a few
mammals
that we're eating, like a cow or a pig or a sheep.
What we find is that over these 40-odd years that I and others have been studying chimpanzees and the other great apes, and, as I say, other
mammals
with complex brains and social systems, we have found that after all, there isn't a sharp line dividing humans from the rest of the animal kingdom.
This is just a tiny range actually: It's us mammals; we're one of these.
If we look across many, many different species of animals, not just us primates, but also including other mammals, birds, even marsupials like kangaroos and wombats, it turns out that there's a relationship between how long a childhood a species has and how big their brains are compared to their bodies and how smart and flexible they are.
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