2. The boy is wondering what to use to clean the microscope lenses. The lens tissue has been
treated to prevent scratching. What should one
use to clean?
Why?
2. The girl is focusing a slide and she is moving the stage up toward the slide.
a) What has happened to the slide?
b) Is this the proper way to focus?
c) Should you focus by moving stage up or down?
d) What happens to a microscope if place at the edge?
e) What should you do to prevent this from happening?

What pattern of migration do whales follow?

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

The sea slug that considered to be a photosyntheesizing animal