The correct answer is option (A) Variation in the strawberry plants.
When the effect of fertilizer on the growth of two strawberry plants is tested, unavoidable source of experimental error is the variation in the strawberry plants. Variation refers to the deviation or differences from the normal plant which can be due to genetic variation. It is due to change in the DNA sequence. If any one of the two plants being tested show variation, the rate of metabolism differs and changes the growth pattern of the plant. The rate of absorption of water and nutrients is effected which brings change in the growth of the plant and causes an error in the experiment and the result.
Answer:
Prefontral brain cortex and the brain tonsil
Explanation:
During the adolescence years, the brain continuous to grow like the rest of the body. This part of the brain is the responsible for the attention, the control of the impulses, the ability to plan for future and the consequences of the acts. This is the reason why in some occasions the teenagers have change of mood so quickly.
The brain tonsil controls the emotions, the impulses and the aggression, this also another reason why the teenagers in some occasions can overreact in situations that are no so critical.
For this behavior the specialist recommended environments in which the children can be direct in a positive education to control their impulses.
Answer:
male lions have females that they can mate with to relive all that tension in their balls that has been building up
Explanation:
#ballsdeepnosleep
The kind of literature which is currently perhaps the most powerful genre in Pakistan and Bangladesh is postcolonial literature
Answer:
Evolution refers to the change in the structure of an organism with the passage of million of years.
Explanation:
Evolution is the change in the structure of an organism with the passage of million of years. Evolution occurs due to two reasons, first from genetically while the other from adaptation to the environmental conditions. In genetically, the change in structure of animal comes from their parents whereas changes occurs due to adaptation of an organism in order to survive in the harsh climatic condition of the environment.
