Answer:
Heritability is important for natural and artificial selection because a trait must be heritable for them to take place. ... Variations that exist in every population are the basis for natural selection. The differences in organisms come from different genetic material.
Explanation:
Answer:
<em>The correct option is d) an ecotone</em>
Explanation:
An ecotone can be described as an area of transition between two different biomes. An estuary can be described as an ecotone where the river water meets the seawater. The freshwater biome mixes with the seawater biome in an estuary. Unique plants and animals are grown in an estuary which are adapted to live in such an environment. The water present in an estuary is termed as brackish water. Hence, the correct option is d.
Answer: Diagnosis: The presence of nitrites in the urine confirms the urinary tract infection.
Explanation:
Treatment: The urinary tract infection will be concerned with the antibiotic therapy to kill the bacteria producing excess nitrites. Educating K.N. about the risk factors associated with the multiple sex partners and transfer of bacteria through sexual contact.
Use of fluroquinolones and nitrofurantoin:
Fluroquinolones: This is an antibiotic which has bacteriocidal property can be useful in the treatment of urinary tract infections.
Nitrofurantoin: It is an effective antibiotic in killing bacteria it gets activated inside the bacteria.
Nitrituria is a condition in which the nitrites are present in the urine that is indicative of the presence of bacterial infection. It is caused by the <em>E. coli</em> bacteria inside the urinary tract. It is responsible for converting the nitrates into nitrites.
The fossil record
This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones. Evidence for early forms of life comes from fossils. By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.There are gaps in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind. What traces there were may have been destroyed by geological activity. This is why scientists cannot be certain about how life began.
Fossils provide a snap shot of the past and allow us to study how much or how little organisms have changed as life developed on Earth.
