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Unit 18: Biology Part 1 Page 37 of 60
based on what they eat. As was marsupials and lagomorphs have
mentioned earlier, carnivores, such developed saltatory locomotion,
as dogs, cats, and bears, eat meat. or leaping, as method for getting
The sharp teeth seen in these from place to place. Dogs, horses,
animals are useful in ripping and and deer all move by running.
tearing food. Insectivores, such as Elephants, hippopotamuses,
shrews and moles, eat insects. rhinoceroses, use graviportal
Other groups of mammals include locomotion, in which they lumber
the lagomorphs, a group including along on very thick legs.
hares and rabbits, rodents, which Not all mammals live on land.
include mice and rats, and the Aquatic mammals, such as
ungulates, or hoofed animals, such dolphins, whales, and manatees,
as giraffes, elephants, goats, and live in the water. These mammals
pigs. These animals are generally have fins and tails where other
herbivores, or plant eaters, and mammals
have large flat teeth good for have arms
grinding tough plant material. A and legs.
final group of mammals includes Other
the bats and primates. This is the mammals,
group in which humans are found. including
many
monkeys,
are
arboreal,
meaning they live mainly or
exclusively in trees. For these
animals long arms and a strong tail
assist with swinging as a
Another method for grouping locomotion method. Still other
mammals focuses on the mammals, such as bats and some
environment in which they live, primates, have wings for flying or
and their method of locomotion, gliding.
or movement, in their
environment. Animals, including In these cases of locomotion, and
mammals, that live on land are in the description of teeth
called terrestrial. Within described above, a basic idea of
terrestrial mammals, several biology, referred to as “form
methods of locomotion exist. Many follows function,” is seen.
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