Answer: secondary succession
Explanation: An ecological succession can be defined as a change that occur in the biotic community of the ecosystem with respect to the changes that occur in the abiotic factors like water, soil and climatic conditions with respect to time.
Secondary succession can be defined as the changes that occur in an area which was previously occupied by the living species and the area was disturbed by either human intervention or natural calamity.
Brazil clear cut is an example of secondary succession because after the clear cut some precursors like seeds, roots and other parts of the plants or trees can support the regrowth of plants and trees. Initiating the succession again.
The biomolecules contain l<span>arge, complex molecules.</span>
It is either A. or B. I don't think that type C. or type D. even exists.
Answer:
C. the AV node will usually become the pacemaker for the heart
<span> Eukaryotic cells are a lot more complex. They
have a nucleus in a nuclear membrane, where DNA or other genetic
information is stored, as well as lots of organelles that serve
different functions.</span>
