Answer:
Protecting Biodiversity: Biodiversity Hotspots About half of all plant and animal spp. ... If Earth has 150,100,000 sq km of land, how much land area is included in hot spots 0.1 x 0.157 = 0.0157 0.0157 x 150,100,000 = 2,356,570 sq. km.
Explanation:
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The factors are: The size of the sample, the extraction method, the method of purification and preservation of the DNA.
The quantity and quality of DNA can be greatly improved by performing PCR.
* Purification of nucleic acids is a key step for functional studies in biology. Because of the great diversity of living organisms in nature, purification becomes a real challenge for researchers, especially cell lysis.
The evolution of lysis methods has made it possible to improve efficiency, speed and simplicity. But, this lysis step remains a crucial step for the efficiency and the quality of the purification.
I believe it’s A and D, hope this helped!!!
Explanation:
the protocol lip and overall cavity
As the tide comes in, a muscle opens up these four plates, and the feathery legs of the barnacle sift the water for food. All six pairs of these feather-like feeding appendages, called cirri, are jointed and set with sensory hairs which brush through the water collecting plankton for the barnacle to eat.
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