Hawks and foxes eat field mice. this is a form of

amber has allowed scientists to study dna that has been preserved over millions of years.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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