Answer:
I think she should try the experiment one set with fertilizer, and one without. The negative control group would be the set of rose bushes grown without the fertilizer, but under the exact same conditions as the experimental group. Then, if a difference is seen you can be sure it's accurate, since you tested with and without fertilizer under the same conditions. Sorry if i am wrong, I am not completly sure about this one. Again I might be wrong so sorry in advance.
Muscles and organs derive the most benefit from the blood that flows in the arteries and capillaries because they obtain food substances and oxygen while releasing wastes.
Evolution is all about the
process of inheriting characteristics within a population change over
generation.
Only inherited traits
differences that can be passed on are acted upon evolution.
<span>In the study, the humans
select desirable traits that can be passed from one generation to another.</span>
I don't know what you have listed as your answer choices but: this fungus is still alive and able to reproduce.
Some of the core reasons are:
1) Deforestation
2) Excessive use of fossil fuels
3) Unevenness of Garbage
4) Increasing Population
5) Expansion of Urban area
Hope this helps!