Uracil user is not present in dna
Answer:
Biodiversity
Explanation:
In the given question, many species of plant species used to grow in the empty lot. The plant species could have provided a home to many animal species. This lot thus formed a small level of the biological ecosystem which is composed of biodiversity.
This lot was changed to a park by the city council which then changed the ecosystem of the area and the main factor that was affected by this change is Biodiversity.
Thus, Biodiversity is correct.
1. Three (3) Phylums
2. Nine (9) Classes
3. The Class has more groups.
4. The Phyla contains more organisms.
Ssris alleviate symptoms of depression by increasing the<u> level of serotonin at the synapse
.</u>
Answer: Option C
<u>Explanation:</u>
Ssris (Selective serotonin re-uptake inhibitor) is a drug that is been prescribed to the people with depression and anxiety disorders. In the brain the information and messages are passed from one nerve cell to the other.
People with disorders find difficulty in transmitting the information. Hence a drug like SSRI's are prescribed to increase the level of serotonin at the synapse as the nerve cell passes the information through synapse the small gap between the cells.