Artificial Selection.
Natural selection progresses slowly & would take generations to complete while artificial selection may complete within days or weeks. This is because Natural selection is not as controlled as artificial selection.
<span>It is false that energy in higher trophic levels is greater than energy at lower trophic levels. In the first trophic level you find the producers, in the second the primary consumers in the level following that the secondary consumers and in the last level the tertiary consumers. And only 10% of energy at one level is available to the next level. </span>
Poultry,honeybees and cattle are very important in the aspect of animal rearing.
To ensure their care,they need to be kept in a clean environment to prevent spread of diseases.
Mostly for poultry and cattle,anyone struck with any virus or disease should be isolated.
They should also be fed properly to avoid emancipation.
Building Blocks of Nucleic acids are polynucleotides- <span>long chainlike molecules composed of a series of nearly identical building blocks called nucleotides</span>
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues