Answer:
An asteroid impact.
Explanation:
An asteroid impact is considered to have tossed rubble across the earth, killing off many species of plants and animals, 65 million years ago. Volcanic activity is involved in at least four mass extinctions, whereas an asteroid in just one.
1. Law of Segregation: When gametes form, alleles are separated so that each gamete carries only one allele for each gene
2. Law of Independent Assortment: The segregation of alleles for one gene occurs independently to that of any other gene
3. Principle of Dominance: Recessive alleles will be masked by dominant alleles†
The answer would be C as it can be directly tested experimentally and observed that bacteria adapted to become drug resistant and the natural selection of drug resistant bacteria to survive and continue proliferating, thus being direct evidence of evolution
One difference is the number of double bonds in the fatty acid chain
