Answer:
Enrichment helps satisfy both the physical and psychological needs of animals and allows them to make choices. Thus, animal enrichment creates a win-win-win situation for the animals, visitors and keepers! In the wild, animals must find food, defend territories, escape predators and build homes.
The 'D' in DNA stands for deoxyribose.
The answer would be B, because they have subcellular organelles.
A. Smallpox could make a good biological weapon because it is an airborne virus.
B. Smallpox can be prevented via vaccination and potentially prevented by HEPA filters.
