Within a 12-acre farm, 24 coyotes were trapped, marked with dye and released.  In a later trapping, 4 coyotes were trapped, including 2 that had been marked with dye in the original trapping.  What is the approximate population of coyotes on the farm?

 

What is Quercus rubra an example of?

 

What do you call the study of Trees?

 

Whic term is defined as a large region that has it's own typical flora and fauna?