1. Which of the following humans activities cause species live and reproduce?
A. Destroying animal habitat
B. Polluting the environment
C. Introducing new species to an era
D. All of the above

2. Incomplete dominance, heterozygotes exhibit which of the following?
A. One allele
B. Both alleles together, independently
C. Both alleles expressed phenotypically
D. Both alleles simultaneously blended together