Help! Puppy Ruby keeps getting out of the yard. The dimensions of
her rectangular yard are 25 feet
by 50 feet. Draw a picture below
to show the yard and determine
how many feet of fencing will be
needed to keep Ruby in.

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

the answer is d

hope this