There are thought to be between 60,000 and 200,000 protist species, and many have yet to be identified. Protists live in almost any environment that contains liquid water. Many protists, such as the algae, are photosynthetic and are vital primary producers in ecosystems.
The is answer is:
1. first to document careful observations of different cell types
Beginning with a low-power objective before switching to high power ultimately protects the slide and the microscope from damage.
Also, it makes it easier to find the specimen on the slide. <span />
16) B. chains of rods
18) C. water
15) C. facilitated diffusion
5) C. mitochondria contain their own ribosomes
