Mutation is the primary cause of all genetic variation. Mutation is important as the first step in evolution, as it produces a new sequence of DNA for a particular gene, producing a new allele. Recombination, through intragenic recombination, may also generate a new DNA sequence (a new allele) for a particular gene.
They are both biotic factors because they affect living organisms. The abiotic factor a lion and deer needs is water because they need to stay hydrated but water is not living . Deers eat plants, plants are known as biotic factors too. And lions eat their prey which are living animals and once they are preyed upon they are still considered biotic because they were once living before getting consumed by the lion.
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The answer is b) due to an excessive stimulation of smooth muscle in bronchioles.
The root cap protects the <span>apical meristem allows for primary growth in the </span>root<span>, which paves the way for lengthening of the plant as well as cell specialization. Hope this helps!! I got it from my book.</span>
We can only see a small part of the electromagnetic spectrum
