Answer:
True
Explanation:
An ecosystem includes all of the living things (plants, animals, and organisms) in a given area that interact with each other, as well as the non-living environments (weather, earth, sun, soil, climate, atmosphere) that surround the living things.
The correct answer is B) An electron beam passes over the specimen's surface and displaces electrons, which are then focused on a screen to form an image.
Answer:
i dont understand pls be more clear
Explanation:
- l
l
- l
- l
- k
- k
- k
k
j
j
j
h
h
h
g
g
g
g
1
1
1
2
2
2
2
3
3
33
3
Answer: false
Explanation:
Different parts of DNA are switched on or off to activate genes required for the cell specific function. Under certain conditions cells can de-differentiate, or express different genes e.g. cancer cells.