Animals that live in cold climates tend to have very thick layers of fat and tend to be round in shape (to limit surface area).
(Animals; live; L:in cold climates) (Animals that live in cold climates; tend; to have very thick layers of fat and tend to be round in shape) (Animals that live in cold climates; to have; very thick layers of fat and tend to be round in shape) (Animals that live in cold climates; tend; to be round in shape)
Animals Animals that live in cold climates Animals that live in cold climates Animals that live in cold climates
live tend to have tend
L:in cold climates
to have very thick layers of fat and tend to be round in shape
very thick layers of fat and tend to be round in shape
to be round in shape