Answer:
Stem tubers grow from rhizomes or runners that swell from storing nutrients while root tubers propagate from roots that are modified to store nutrients and get too large and produce a new plant. Examples of stem tubers are potatoes and yams and examples of root tubers are sweet potatoes and dahlias.
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A) Mitochondria - because they are double membraned and the inner one is highly folded into 'cristae'
Answer:
Cation-exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water
Answer:
It means the entire variability among living organisms. From marine and terrestrial life forms, it also means that each types of these ecosystems hold large diverse species that have even their own subspecies.