Some species are symbiotic to each other, meaning they live together in a close, long-term association. what is the term for a symbiotic relationship in which both participating species benefit?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Were you able to observe the nucleolus in any of the cells if so which ones

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.