Answer:
d. Gemmulation involves providing a resistant layer of cells for a capsule; fragmentation is merely breaking off chunks of tissue to grow a new organism
Explanation:
Gemmulation and fragmentation are both a type of asexual reproduction. Gemmulation starts when mass of cell which is produced asexually that are capable of producing a new organism.
These mass of cells gets surrounded by a protective covering which provide a resistant layer of cell and the structure is called gemmule.
In fragmentation, the parent body part breaks from the whole body and gives rise to a new organism. For example in planaria. So the correct answer is d.
<span>Cells are living units, surrounded by a membrane, with or without nucleus (this is also the majo division of cell types). Cells can live "on their own", if certain conditions are fullfilled. Viruses live inside (some) cells and they are dependent on those cells on survival</span>
The Krebs cycle is the answer
Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
The correct answer is false. Extinction of organisms is not solely cause by man. Even way before, extinction is already happening. It can be caused by natural or human causes. Natural causes includes volcanic eruptions, earthquakes, floods, etc.
