| alternative |
one of two or more choices. |
| appreciation |
a feeling of thanks. |
| await |
to look forward to, or to stay in one place or condition in order to be ready for (someone or something). |
| barricade |
a structure that is put up quickly for protection or to block the way. |
| burrow |
a hole or tunnel dug by certain animals for use as a hiding place or home. |
| definitive |
most reliable, complete, or authoritative. |
| fracture |
a break or crack. |
| genetics |
(used with a singular verb) the science that studies how characteristics are passed on from parent to offspring. Genetics is concerned with the influence of genes on the appearance, development, and evolution of plants and animals. |
| impair |
to lessen the strength or ability of; damage. |
| incidence |
the frequency with which something happens or the range over which it occurs. |
| influential |
having power or authority; able to affect others. |
| intact |
staying complete, whole, or without damage; not changed or harmed. |
| quarantine |
the keeping of a person, animal, or thing away from others to stop a disease from spreading. |
| separation |
the act of dividing or keeping apart or the condition of being kept apart. |
| workmanship |
the art or skill of someone who works with their hands or with machines. |