Adenine, guanine, thymine and cytosine are the four nitrogenous bases that are attached to a sugar molecule<span> on each </span>side of the ladder<span>. When a phosphate, a sugar and a base form an attachment, they create a sub-unit of </span>DNA<span> called a nucleotide. Each nitrogenous base is held together by a hydrogen bond.</span>
If the bird can’t see .it can’t hunt for food , get resources for a nest , or see prey . Therefore the bird will die quicker
The new species would try and crossbreed possibly, or see them as weak and kill them off and take their resources.
