The right option is; dark-field microscope
A light microscope that makes the specimen appear light on a dark background is called a dark field microscope.
Dark field microscopes are light microscopes that are used in different ways to clearly view various specimens that are unstained, transparent, and hard to see using a light field unit. Dark field microscopes are very effective because they show the details of unstained and live samples. It is also very simple to use, and inexpensive to set up.
Angiosperm have flowers.It is a flowering plant.
The process of cell division, i<span>n </span>animal cells<span>, a cleavage furrow forms </span>between<span> the two forming </span>cell<span> bodies after DNA and organelles have been replicated and situated in their new </span>cell bodies. In plant cells, in place of a cleavage furrow, a cell wall begins to form down the center of the cell, separating the polar bodies. Once the cell wall is finished forming, the cell has fully separated into two, even though it shares a cell wall.
Diffusion-process of spreading culture traints from one society to another...in other words the spreading of something more widely