Ascientist wants to observe the structure that joins a cell to neighboring cells. how should the scientists observe the detailed structure of the cell

How are gene and protein sequences used to classify organisms?

During convection, less dense fluid rises and denser fluid sinks.

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?