How large does an ecological island need to be to ensure the survival of a species?

a)

large enough so animals can rear their young without interference

b)

four to five males, with the same amount of females

c)

enough room to roam around without fighting

d)

varies with the species

e)

all are correct

Assume that the banner needs to be 18 feet long instead of 15 feet

Which of the following entities ensure that national security policies are carried out? check all that apply.

Afootball game between the thunder and the sharks is in its closing minutes, with the thunder ahead by 20 points. the thunder’s coach considers sending in the second-string quarterback. this would reduce the risk of the star quarterback getting injured, but the second-string quarterback is not very good. complete the passage describing the coach’s decision in economic terms.