To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.
<span><span>Kingdom:Animalia
</span><span>Phylum:Mollusca</span></span>Class: Gastropoda
Symmetry: Bilateral
mantle<span> Is used for breathing and </span>excretion
Foot helps in locomotion
The visceral mass<span> helps in digestive, nervous, excretory, reproductive, and respiratory systems.</span>
Cephalopod belongs to the same phylum.
Answer:
<u><em>It is because humans have much larger genomes than bacteria</em></u>
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Explanation:
It is because humans have much larger genomes than bacteria. The largest bacterial genome ; human clocks. But corn is about 3 times that, spruce is twice again that and some plants go even bigger. For example, every one of tulip’s chromosomes is about one human genome in size, and bacteria are haploid, humans are diploid. That makes assembling the DNA fragments much more tricky, as you don’t want to have a final sequence that switches between the two haplotypes.
<em>If you found my answer helpful, then please do me a favor by marking me as the brainliest as it means a lot to me.</em>
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<em>From a fellow student,</em>
<em>Good day ahead, :)</em>
<em>Dan</em>
Natural selection is the process that result in the adaptation of an organism to environment by means of selectively reproducing changes in its genotype, or genetic constitution. It is the a key mechanism of evolution. Charles Darwin popularised the term "natural selection" contrasting it with artificial selection, which is intentional, whereas natural selection is not.
To make it simple, let's have a group of beetle composing of green and some are brown as an example. here, there is a variation in traits. Since the environment could not support continuous population growth, not all species can reproduce to their full potential. Green beetles can easily be eaten by other species like birds compared to brown beetles. The surviving brown beetles will then generate brown offsprings because their trait has a genetic basis. Since more brown beetles survive and becomes more common in the population, the process continues until all individuals will eventually be brown. so basically, if you have variation, differential reproduction, and heredity, you will have evolution by natural selection as an outcome.
