Answer:
Australia has so many genetically distinct organisms because it has been separated from other bodies of land for a very long time. This has given species in Australia a long time to evolve independently from species in other areas of the world.
Answer:
Because they have the same function to swim with, but have different structures and made of different material.
Explanation:
dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.
Mitosis produces all animal and plant cells
Mutations can lead to changes in the structure of an encoded protein or to a decrease or complete loss in its expression. Because a change in the DNA sequence affects all copies of the encoded protein, mutations can be particularly damaging to a cell or organism.
