Drag is another one i actually did this project in 5th grade so i know some of this hope this helps.
Naguara chamo tú quieres que te hagan la tarea si eres arrecho
The theory of spontaneous generation
I think it is the blood vessels ???
As it turns out, there exists an unusual symbiotic relationship between sunfish and seabirds. The sunfish itself is an unusual specimen to begin with. These large, tailless fish are not going to win any deep-sea beauty contests, but they have caught the attention of one flighty oceangoer: the albatross