Answer:
To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating. ... DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases.
Explanation:
They destroyed crops and land, leading to soil problems.
Jean-Baptiste Lamarck is the researcher who developed the theory
of use or disuse, also called the theory of acquired characteristics. Jean-Baptiste Lamarck is a French biologist, Lamarck
founded a school of French Transformationism which included Étienne Geoffroy
Saint-Hilaire, and which corresponded with a radical British school of anatomy
based in the extramural anatomy schools in Edinburgh, Scotland, which included
the surgeon Robert Knox and the comparative anatomist Robert Edmond Grant.
Answer:
<em>decreased variation in the shades of red over time because no form of the trait is advantageous</em>
Explanation:
Natural selection tends to favor those organisms which are better adapted to live in an environment. These organisms are able to survive and pass on their characteristics to their offsprings.
The red colour of the male cardinal's was selected by natural selection and hence this colour was abundant. If the females choose some other criteria for mating with males, then natural selection will no longer favor the red colour and hence there will be a decrease in the variations of red coloiur.