useless trivia: What Word Means: A Timber Tree?

Questions

Cougars can kill animals ______ times their size?

The venom of the king cobra is so deadly that one gram of it can kill ______ people?

The Virginia opossum is the only marsupial (pouched mammal) indigenous to __________?

The Virginia opossum have a litter size of up to ____?

The opossum offspring say in their mothers pouch for the first __________ days?