Answer: you can recognize a plant cell by its rigid cell wall and by the fact that it contains fluid filled space known as a vacuole.
Explanation: hope this helps!
In determining species, it is best to differentiate in terms of the population that is being adapted in which, a certain niche. So, if it has a small gene pool, and the different species will be interbreeding each other with a much genetic variability in gene pool, it would most likely cause a less adaptation. The niche will be having a less adaptation if too much genetic variability will occur.
Scientists believe that the Earth's early atmosphere lacked oxygen because photosynthetic organisms did not yet exist. Hope this helps and have a great day!
Answer:
The first analysis to urine will be if there is presence of blood cells or macro molecules.
Explanation:
In filtration, since the urine pass trough a membrane, only small molecules could pass like glucose, amino acids, and urea.
If the urine is produce by secretion like in some insects, leeches, or teleost, then the movement of the molecules is due the osmotic pressure, so the ions are the present in the urine.
Hope this info is useful.
<span>The thinnest parts are oceanic crust, while the thicker parts are continental crust.</span><span />
