When researching and developing new flu vaccines, what region of the world do scientists often look to? Why?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

There are only about 250,000 known fossil species. true or false

Every time there is a full moon, mrs. cook insists that students in her classes display strange behavior. what would be the best way for her to prove the validity of her theory? a. keep a journal of student behavior during different phases of the moon cycle b. research data to find concrete evidence of a link between the moon cycle and human behavior c. ask students to keep a journal of how they are feeling during different phases of the moon cycle d. survey other teachers in the building to see if they notice similar behaviors during the full moon