HTMLENTITY#8203HTMLENTITYSea otters play a role in maintaining the
biodiversity of which ecosystem?
a. HTMLENTITY#8203HTMLENTITYtidal pools
b. HTMLENTITY#8203HTMLENTITYcoastal kelp forests
c. HTMLENTITY#8203HTMLENTITYcoastal sandy beaches
d. HTMLENTITY#8203HTMLENTITYopen ocean areas
e. estuaries
Middleincome countries such as India and China may have low ____, but they have a
high ____.
a. population size; population growth rate
b. overall environmental impact; population growth rate
c. population size; resource use per person
d. overall environmental impact; resource use per person
e. resource use per person; overall environmental impact
The demographic transition model helps to explain why
____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYdeath rates rise in industrializing nations
b. HTMLENTITY#8203HTMLENTITYindustrialization leads to population growth
c. HTMLENTITY#8203HTMLENTITYdevelopment requires large populations
d. HTMLENTITY#8203HTMLENTITYbirth rates fall before death rates
e. HTMLENTITY#8203HTMLENTITYdeath rates fall before birth rates