notochord

"After I finished reading the book, I replaced it on the shelf. "

"The development of this story has been slow."

"The scientist studied the embryonic development of the frog. "

"It is difficult to provide for my family working on minimum wage."

"Humans, like fish, birds, and reptiles, are all classified as chordates because they possess a notochord at some point in their development. "

"The birds had built an amazing structure out of sticks and various discarded items."

"The child develops her reading skills with practice. "

"The new schedule is a flexible option for students. "

"Simple Example: "Humans, dogs, and fish are all examples of vertebrates because they have a backbone." "

"After many frustrating attempts, he eventually finished his school project. "

""Home" is a primitive word for the place where we live. "

"The doctor examined the patient's vertebral column."