Answer:
False.
Explanation:
Classification of organism is important to classify them in similar and different groups. Organisms can be classified on the basis of the development of the mouth or the anus first.
The organism in which mouth develops first by the opening of gastrula are called protostome not deuterostomes. Deuterostome develop anus first from the opening of gastrula.
Thus, the correct answer is option (b).
Why not turn it back I to gas
A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
It is mass can not be created or destroyed
The answer is $10 because 160-150=10
