Answer:
Energy does not cycle the way nutrients and atoms do. Energy enters the ecosystem from the Sun and exits after the organisms have taken as much as they need. Organisms release energy back into the biosphere as heat.
Answer:
Cilia that line our respiratory system help trap dust and other foreign particles, thereby preventing them from further entering our body and causing problems.
Yes because plant cell is eukaryotic and it is also in animal cell too.
Answer:
In the English language, the word scent is used specifically for a kind of smell that is pleasant or has fragrance.
On the other hand, in the English language, the word smell is used to describe any kind of odour. The odour might be pleasant or not pleasant. It can be good as well as bad. Smell refers to any kind of smell which our olfactory receptors can determine.
