Read the paragraph.

Crocodiles and alligators are both reptiles. They come from the same order of animals known as Crocodylia. However, there are a number of differences between these two animals. Crocodiles have longer, more V-shaped heads, while alligators have shorter, more U-shaped heads. Both crocodiles and alligators are aggressive, but crocodiles are more aggressive than alligators.

Which signal words in the paragraph show how crocodiles and alligators are either alike or different? Check all that apply.

both
however
more
animals
order