This means that the micrograph was created by an electron microscope
To ensure the continuity of the species
increase variation in species for natural selection to occur
Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately.
Explanation:
Answer:
b. 100nm
Explanation:
The correct answer to the given question is 100nm. Low level of oxygen is observed when active fibers are at a distance of 50m or more than 50m from the perfused capillary, this is why the correct answer to the given question is 100nm, which is the option b. in the given question.
