Answer:
Simple diffusion is when the particles travel through the cell and facilitated diffusion is when the molecules travel through the cell.
The invention of the electron microscope opened up many doors for biologists as it helped them to view and learn the appearance of cells and their sub-cellular structures
<h3>What is an electron microscope?</h3>
Electron microscope are microscopes which helps biologists to view the appearances of cells of organisms which cannot be seen with our nak -ed eyes.
Generally, electron microscopes:
- Uses a beam of accelerated electrons as its source of illumination
- Helps in obtaining high resolution images of biological and non-biological specimens.
- It is also used in biomedical research
In conclusion, electron microscope helps biologists to view, learn and to also understand the appearance of cells and their sub-cellular structures
Learn more about electron microscope:
brainly.com/question/2845212
#SPJ1
" Gametophyte, Secondary. "
Answer:
Abiotic factors can all be measured to show the living conditions in an ecosystem.
Light meters can be used to measure light intensity. ...
Errors can be made when measuring light intensity by accidentally shading the light meter. ...
Soil moisture and soil pH meters are also available.
Explanation:
