Answer:
She is using informal language, and it is appropriate because she knows the audience
Insects are not vertebrates, they’re invertebrates
Judiciously: Making a good judgement that makes sense
Answer:
Call around to friends/classmates and ask them, or email your teacher if you have their email address. You can also wait until someone else gets home to help you. If all else fails, just explain to the teacher the next day that you didn't understand the assignment.
